522308680 has 32 divisors (see below), whose sum is σ = 1244325240. Its totient is φ = 196633600.

The previous prime is 522308669. The next prime is 522308681. The reversal of 522308680 is 86803225.

It can be written as a sum of positive squares in 4 ways, for example, as 522305316 + 3364 = 22854^2 + 58^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (522308681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383371 + ... + 384730.

Almost surely, 2^522308680 is an apocalyptic number.

It is an amenable number.

522308680 is an abundant number, since it is smaller than the sum of its proper divisors (722016560).

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

522308680 is a wasteful number, since it uses less digits than its factorization.

522308680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768129 (or 768125 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 522308680 is about 22854.0735975012. The cubic root of 522308680 is about 805.3334677999. Note that the first 3 decimals are identical.

The spelling of 522308680 in words is "five hundred twenty-two million, three hundred eight thousand, six hundred eighty".