Q: Is 221,229 a Prime Number?
A: No, 221,229 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 221229 can be evenly divided by 1 3 9 47 141 423 523 1,569 4,707 24,581 73,743 and 221,229, with no remainder.
Since 221,229 cannot be divided by just 1 and 221,229, it is not a prime number.