522307216 has 20 divisors (see below), whose sum is σ = 1012334512. Its totient is φ = 261059616.

The previous prime is 522307211. The next prime is 522307231. The reversal of 522307216 is 612703225.

It is not an unprimeable number, because it can be changed into a prime (522307211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68491 + ... + 75733.

Almost surely, 2^522307216 is an apocalyptic number.

It is an amenable number.

522307216 is a deficient number, since it is larger than the sum of its proper divisors (490027296).

522307216 is a wasteful number, since it uses less digits than its factorization.

522307216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11758 (or 11752 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 522307216 is about 22854.0415681778. The cubic root of 522307216 is about 805.3327153653.

The spelling of 522307216 in words is "five hundred twenty-two million, three hundred seven thousand, two hundred sixteen".