572164223 has 6 divisors (see below), whose sum is σ = 607801056. Its totient is φ = 538507232.

The previous prime is 572164213. The next prime is 572164231. The reversal of 572164223 is 322461275.

It is a de Polignac number, because none of the positive numbers 2^k-572164223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 572164223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572164213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 989615 + ... + 990192.

It is an arithmetic number, because the mean of its divisors is an integer number (101300176).

Almost surely, 2^572164223 is an apocalyptic number.

572164223 is a deficient number, since it is larger than the sum of its proper divisors (35636833).

572164223 is a wasteful number, since it uses less digits than its factorization.

572164223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979841 (or 1979824 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 572164223 is about 23919.9544941039. The cubic root of 572164223 is about 830.1824841901.

The spelling of 572164223 in words is "five hundred seventy-two million, one hundred sixty-four thousand, two hundred twenty-three".