522899660 has 12 divisors (see below), whose sum is σ = 1098089328. Its totient is φ = 209159856.

The previous prime is 522899659. The next prime is 522899669. The reversal of 522899660 is 66998225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (522899669) 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, 13072472 + ... + 13072511.

It is an arithmetic number, because the mean of its divisors is an integer number (91507444).

Almost surely, 2^522899660 is an apocalyptic number.

It is an amenable number.

522899660 is an abundant number, since it is smaller than the sum of its proper divisors (575189668).

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

522899660 is a wasteful number, since it uses less digits than its factorization.

522899660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26144992 (or 26144990 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 522899660 is about 22866.9993658984. Note that the first 3 decimals coincide. The cubic root of 522899660 is about 805.6370919467.

The spelling of 522899660 in words is "five hundred twenty-two million, eight hundred ninety-nine thousand, six hundred sixty".