565222564 has 48 divisors (see below), whose sum is σ = 1077350400. Its totient is φ = 258594336.

The previous prime is 565222547. The next prime is 565222577. The reversal of 565222564 is 465222565.

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, 281187 + ... + 283189.

It is an arithmetic number, because the mean of its divisors is an integer number (22444800).

Almost surely, 2^565222564 is an apocalyptic number.

It is an amenable number.

565222564 is a deficient number, since it is larger than the sum of its proper divisors (512127836).

565222564 is a wasteful number, since it uses less digits than its factorization.

565222564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2150 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 565222564 is about 23774.4098559775. The cubic root of 565222564 is about 826.8114779120.

Subtracting from 565222564 its reverse (465222565), we obtain a palindrome (99999999).

The spelling of 565222564 in words is "five hundred sixty-five million, two hundred twenty-two thousand, five hundred sixty-four".