522422764 has 12 divisors (see below), whose sum is σ = 914705064. Its totient is φ = 261078464.

The previous prime is 522422753. The next prime is 522422773. The reversal of 522422764 is 467224225.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24109 + ... + 40324.

It is an arithmetic number, because the mean of its divisors is an integer number (76225422).

Almost surely, 2^522422764 is an apocalyptic number.

It is an amenable number.

522422764 is a deficient number, since it is larger than the sum of its proper divisors (392282300).

522422764 is a wasteful number, since it uses less digits than its factorization.

522422764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66464 (or 66462 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 522422764 is about 22856.5693838774. The cubic root of 522422764 is about 805.3920978645.

Adding to 522422764 its reverse (467224225), we get a palindrome (989646989).

The spelling of 522422764 in words is "five hundred twenty-two million, four hundred twenty-two thousand, seven hundred sixty-four".