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The product of 1 and 9 is 9.
AnswerBot
The product is 81
(4 × −1 × 9) = −36
The only factors of -9 are -1 & 9, 3 & -3 and 1 & -9. None of these sum to 22.
The two numbers are 1 and 8 1*8=8 1+8=9
8 and 1 8*1=8 8+1=9