Two other players from Papamoa and Ashburton will each be celebrating after winning $333,333 with Lotto First Division during Wednesday night's live Lotto draw.
The winning tickets were sold at Papamoa Superette and on MyLotto to the player from Ashburton.
Meanwhile, Strike Four was not claimed and will be $500,000 on Saturday night.
Lotto says anyone who one tickets from any of the above winning stores should write their name on the back of the ticket and check it immediately at any Lotto outlet, online at mylotto.co.nz or through the Lotto NZ app.
The cashed up punter who cleaned up in Wednesday's Powerball draw could afford to splurge on real estate with their new-found wealth.
The $22.3m winnings could hoover up 40 median priced Kiwi homes or about 27 standard properties in the over-priced city of sails.
But a former Lotto winner has some sensible advice for the country's newest multi-millionaire: Don't do anything rash with that $22 million.
The winner offered these tips in 2016 to any lucky players who struck it big - think carefully before making any other big purchases.
The New Plymouth woman won $1 million with Lotto first division two and a half years ago. She told the Herald the best advice she was given was to "sit back" and take the win in before making any big decisions.
"Really think about all your options. I made sure I got good financial advice too, which I definitely recommend," she said.
Winning Lotto had changed her life by relieving financial pressure, but it had not changed her lifestyle.
She and her husband kept their house and both had kept working.
Lotto also advises winners to take things slowly after winning big, and recommends people don't quit their jobs overnight.
All major prize winners receive a copy of Lotto's winners book, which is packed with tips, tricks and information to help newly cashed-up Kiwis.
A big win conjures up elaborate fantasies of luxury holidays and designer clothes but a recent Lotto survey found a huge chunk of winners were using their money to help others.
Nearly half (46 per cent) of winners used the money to help out family members and 30 per cent helped their communities with random acts of kindness, food parcels and donations.
Holidays were still a priority however, with 31 per cent of winners taking trips, particularly to the Pacific Islands and New York City.
A smaller number, 23 per cent, indulged in shopping sprees and some splashed out on new cars and big screen televisions.
Since 1987, when Lotto began, hundreds of people had become instant millionaires.
Largest Powerball prizes won in South Island
• $22.3 million, August 2018, MyLotto, Central Otago
• $22.2 million, April 2016, MyLotto, Ashburton
• $20.5 million, November 2012, Windsor Stationery and Lotto, Invercargill
• $20.2 million, February 2012, Hornby Mall Lotto, Christchurch
• $18.2 million, February 2017, MyLotto, Otago
