522665212 has 12 divisors (see below), whose sum is σ = 936973296. Its totient is φ = 254958560.

The previous prime is 522665201. The next prime is 522665233. The reversal of 522665212 is 212566225.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593328 + ... + 1593655.

It is an arithmetic number, because the mean of its divisors is an integer number (78081108).

Almost surely, 2^522665212 is an apocalyptic number.

It is an amenable number.

522665212 is a deficient number, since it is larger than the sum of its proper divisors (414308084).

522665212 is a wasteful number, since it uses less digits than its factorization.

522665212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187028 (or 3187026 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 522665212 is about 22861.8724517481. The cubic root of 522665212 is about 805.5166684345.

The spelling of 522665212 in words is "five hundred twenty-two million, six hundred sixty-five thousand, two hundred twelve".