522664 has 16 divisors (see below), whose sum is σ = 993600. Its totient is φ = 257712.

The previous prime is 522661. The next prime is 522673. The reversal of 522664 is 466225.

It is not an unprimeable number, because it can be changed into a prime (522661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (62100).

2⁵²²⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

522664 is a deficient number, since it is larger than the sum of its proper divisors (470936).

522664 is a wasteful number, since it uses less digits than its factorization.

522664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 908 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 522664 is about 722.9550470119. The cubic root of 522664 is about 80.5516045801.

Adding to 522664 its reverse (466225), we get a palindrome (988889).

The spelling of 522664 in words is "five hundred twenty-two thousand, six hundred sixty-four".