522427920 has 80 divisors (see below), whose sum is σ = 1850893440. Its totient is φ = 119411712.

The previous prime is 522427909. The next prime is 522427951. The reversal of 522427920 is 29724225.

522427920 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153805 + ... + 157164.

It is an arithmetic number, because the mean of its divisors is an integer number (23136168).

Almost surely, 2^522427920 is an apocalyptic number.

It is an amenable number.

522427920 is an abundant number, since it is smaller than the sum of its proper divisors (1328465520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522427920 is a wasteful number, since it uses less digits than its factorization.

522427920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310992 (or 310986 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 522427920 is about 22856.6821739289. The cubic root of 522427920 is about 805.3947474351.

The spelling of 522427920 in words is "five hundred twenty-two million, four hundred twenty-seven thousand, nine hundred twenty".