522402464 has 12 divisors (see below), whose sum is σ = 1028479914. Its totient is φ = 261201216.

The previous prime is 522402389. The next prime is 522402467. The reversal of 522402464 is 464204225.

It can be written as a sum of positive squares in only one way, i.e., 450288400 + 72114064 = 21220^2 + 8492^2 .

It is not an unprimeable number, because it can be changed into a prime (522402467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8162507 + ... + 8162570.

Almost surely, 2^522402464 is an apocalyptic number.

It is an amenable number.

522402464 is a deficient number, since it is larger than the sum of its proper divisors (506077450).

522402464 is a wasteful number, since it uses less digits than its factorization.

522402464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16325087 (or 16325079 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 522402464 is about 22856.1253059218. The cubic root of 522402464 is about 805.3816659101.

Adding to 522402464 its reverse (464204225), we get a palindrome (986606689).

The spelling of 522402464 in words is "five hundred twenty-two million, four hundred two thousand, four hundred sixty-four".