222969631 has 2 divisors, whose sum is σ = 222969632. Its totient is φ = 222969630.

The previous prime is 222969601. The next prime is 222969683. The reversal of 222969631 is 136969222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222969631 - 2²⁷ = 88751903 is a prime.

It is a super-2 number, since 2×222969631² = 99430912696552322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222969601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111484815 + 111484816.

It is an arithmetic number, because the mean of its divisors is an integer number (111484816).

Almost surely, 2^222969631 is an apocalyptic number.

222969631 is a deficient number, since it is larger than the sum of its proper divisors (1).

222969631 is an equidigital number, since it uses as much as digits as its factorization.

222969631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 222969631 is about 14932.1676591177. The cubic root of 222969631 is about 606.3851703276.

The spelling of 222969631 in words is "two hundred twenty-two million, nine hundred sixty-nine thousand, six hundred thirty-one".