522648630 has 48 divisors (see below), whose sum is σ = 1553014944. Its totient is φ = 119462400.

The previous prime is 522648589. The next prime is 522648647. The reversal of 522648630 is 36846225.

522648630 is a `hidden beast` number, since 5 + 2 + 2 + 648 + 6 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414171 + ... + 415430.

It is an arithmetic number, because the mean of its divisors is an integer number (32354478).

Almost surely, 2^522648630 is an apocalyptic number.

522648630 is an abundant number, since it is smaller than the sum of its proper divisors (1030366314).

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

522648630 is a wasteful number, since it uses less digits than its factorization.

522648630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829621 (or 829618 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 522648630 is about 22861.5097926624. The cubic root of 522648630 is about 805.5081497765.

The spelling of 522648630 in words is "five hundred twenty-two million, six hundred forty-eight thousand, six hundred thirty".