Assuming you meant a simple subtraction, 22 - 1 = 21.
However, I think that you meant 22 - (-1), which the negatives cancel to a positive, thus an addition problem, 22 + 1 = 23.
The first ten positive integer multiples of 221 are: 1 x 221 = 221 2 x 221 = 442 3 x 221 = 663 4 x 221 = 884 5 x 221 = 1105 6 x 221 = 1326 7 x 221 = 1547 8 x 221 = 1768 9 x 221 = 1989 10 x 221 = 2210
The factors of 221 are 1, 13, 17, and 221.
1, 13, 17, 221.
The prime factors of 221 are 13 and 17. 13 x 17 = 221. The factors of 221 are 1, 13, 17, and 221.
Because 17 multiplied by 13 equals 221. So the factors of 221 are 1,13,17 and 221.
56.4%/100% * 221 = 0.564*221 = 124.644
30% of 221 = 221*30/100 = 66.3
221 is divisible by 1, 13, 17, and 221.
221
At 60 mph 221 minutes is 221 miles long.
221 256 - 229 = 221 227
13*17 = 221