572664228 has 24 divisors (see below), whose sum is σ = 1336628832. Its totient is φ = 190829184.

The previous prime is 572664217. The next prime is 572664233. The reversal of 572664228 is 822466275.

It is a self number, because there is not a number n which added to its sum of digits gives 572664228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52851 + ... + 62757.

It is an arithmetic number, because the mean of its divisors is an integer number (55692868).

Almost surely, 2^572664228 is an apocalyptic number.

It is an amenable number.

572664228 is an abundant number, since it is smaller than the sum of its proper divisors (763964604).

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

572664228 is a wasteful number, since it uses less digits than its factorization.

572664228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14731 (or 14729 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 572664228 is about 23930.4038411390. The cubic root of 572664228 is about 830.4242414339.

The spelling of 572664228 in words is "five hundred seventy-two million, six hundred sixty-four thousand, two hundred twenty-eight".