572505122 has 18 divisors (see below), whose sum is σ = 999376497. Its totient is φ = 245257824.

The previous prime is 572505113. The next prime is 572505127. The reversal of 572505122 is 221505275.

It can be written as a sum of positive squares in 2 ways, for example, as 377874721 + 194630401 = 19439^2 + 13951^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=16919.

It is a super-2 number, since 2×572505122² = 655524229432469768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (572505127) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 235658 + ... + 238074.

Almost surely, 2^572505122 is an apocalyptic number.

572505122 is a deficient number, since it is larger than the sum of its proper divisors (426871375).

572505122 is an frugal number, since it uses more digits than its factorization.

572505122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 572505122 is about 23927.0792617904. The cubic root of 572505122 is about 830.3473274174.

The spelling of 572505122 in words is "five hundred seventy-two million, five hundred five thousand, one hundred twenty-two".