566222664 has 64 divisors (see below), whose sum is σ = 1619942400. Its totient is φ = 161561664.

The previous prime is 566222663. The next prime is 566222693. The reversal of 566222664 is 466222665.

It is not an unprimeable number, because it can be changed into a prime (566222663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157317 + ... + 160875.

It is an arithmetic number, because the mean of its divisors is an integer number (25311600).

Almost surely, 2^566222664 is an apocalyptic number.

It is an amenable number.

566222664 is an abundant number, since it is smaller than the sum of its proper divisors (1053719736).

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

566222664 is a wasteful number, since it uses less digits than its factorization.

566222664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522 (or 4518 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 566222664 is about 23795.4336795949. The cubic root of 566222664 is about 827.2988416460.

Subtracting from 566222664 its reverse (466222665), we obtain a palindrome (99999999).

The spelling of 566222664 in words is "five hundred sixty-six million, two hundred twenty-two thousand, six hundred sixty-four".