522185472 has 54 divisors (see below), whose sum is σ = 1505596092. Its totient is φ = 174061056.

The previous prime is 522185441. The next prime is 522185509. The reversal of 522185472 is 274581225.

It is a happy number.

522185472 is a `hidden beast` number, since 5 + 2 + 2 + 185 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111018 + ... + 115625.

Almost surely, 2^522185472 is an apocalyptic number.

It is an amenable number.

522185472 is an abundant number, since it is smaller than the sum of its proper divisors (983410620).

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

522185472 is a wasteful number, since it uses less digits than its factorization.

522185472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226665 (or 226648 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 522185472 is about 22851.3779015621. The cubic root of 522185472 is about 805.2701391383.

The spelling of 522185472 in words is "five hundred twenty-two million, one hundred eighty-five thousand, four hundred seventy-two".