222487963 has 2 divisors, whose sum is σ = 222487964. Its totient is φ = 222487962.

The previous prime is 222487907. The next prime is 222487981. The reversal of 222487963 is 369784222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222487963 is a prime.

It is not a weakly prime, because it can be changed into another prime (222407963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111243981 + 111243982.

It is an arithmetic number, because the mean of its divisors is an integer number (111243982).

Almost surely, 2^222487963 is an apocalyptic number.

222487963 is a deficient number, since it is larger than the sum of its proper divisors (1).

222487963 is an equidigital number, since it uses as much as digits as its factorization.

222487963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 222487963 is about 14916.0304035625. The cubic root of 222487963 is about 605.9482096198.

The spelling of 222487963 in words is "two hundred twenty-two million, four hundred eighty-seven thousand, nine hundred sixty-three".