572220660 has 48 divisors (see below), whose sum is σ = 1747876032. Its totient is φ = 138720000.

The previous prime is 572220659. The next prime is 572220673. The reversal of 572220660 is 66022275.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432841 + ... + 434160.

It is an arithmetic number, because the mean of its divisors is an integer number (36414084).

Almost surely, 2^572220660 is an apocalyptic number.

It is an amenable number.

572220660 is an abundant number, since it is smaller than the sum of its proper divisors (1175655372).

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

572220660 is a wasteful number, since it uses less digits than its factorization.

572220660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867024 (or 867022 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 572220660 is about 23921.1341704360. The cubic root of 572220660 is about 830.2097790742.

The spelling of 572220660 in words is "five hundred seventy-two million, two hundred twenty thousand, six hundred sixty".