522257530 has 16 divisors (see below), whose sum is σ = 940389120. Its totient is φ = 208830672.

The previous prime is 522257521. The next prime is 522257543. The reversal of 522257530 is 35752225.

It is a junction number, because it is equal to n+sod(n) for n = 522257492 and 522257501.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28831 + ... + 43309.

It is an arithmetic number, because the mean of its divisors is an integer number (58774320).

Almost surely, 2^522257530 is an apocalyptic number.

522257530 is a deficient number, since it is larger than the sum of its proper divisors (418131590).

522257530 is a wasteful number, since it uses less digits than its factorization.

522257530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 522257530 is about 22852.9545135853. The cubic root of 522257530 is about 805.3071780130.

The spelling of 522257530 in words is "five hundred twenty-two million, two hundred fifty-seven thousand, five hundred thirty".