522626772 has 48 divisors (see below), whose sum is σ = 1246920192. Its totient is φ = 170321280.

The previous prime is 522626771. The next prime is 522626789. The reversal of 522626772 is 277626225.

It is a super-2 number, since 2×522626772² = 546277485622279968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 522626772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522626771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124573 + ... + 128699.

It is an arithmetic number, because the mean of its divisors is an integer number (25977504).

Almost surely, 2^522626772 is an apocalyptic number.

It is an amenable number.

522626772 is an abundant number, since it is smaller than the sum of its proper divisors (724293420).

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

522626772 is a wasteful number, since it uses less digits than its factorization.

522626772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368 (or 4366 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 522626772 is about 22861.0317352476. The cubic root of 522626772 is about 805.4969204077.

The spelling of 522626772 in words is "five hundred twenty-two million, six hundred twenty-six thousand, seven hundred seventy-two".