522664331 has 24 divisors (see below), whose sum is σ = 657337680. Its totient is φ = 412921152.

The previous prime is 522664327. The next prime is 522664357. The reversal of 522664331 is 133466225.

It is not a de Polignac number, because 522664331 - 2² = 522664327 is a prime.

It is a super-2 number, since 2×522664331² = 546356005799355122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522664321) 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 in 23 ways as a sum of consecutive naturals, for example, 26861 + ... + 42033.

It is an arithmetic number, because the mean of its divisors is an integer number (27389070).

Almost surely, 2^522664331 is an apocalyptic number.

522664331 is a deficient number, since it is larger than the sum of its proper divisors (134673349).

522664331 is a wasteful number, since it uses less digits than its factorization.

522664331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15243 (or 15236 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 522664331 is about 22861.8531838519. The cubic root of 522664331 is about 805.5162158436.

The spelling of 522664331 in words is "five hundred twenty-two million, six hundred sixty-four thousand, three hundred thirty-one".