522664450 has 48 divisors (see below), whose sum is σ = 1212047424. Its totient is φ = 162907200.

The previous prime is 522664403. The next prime is 522664459. The reversal of 522664450 is 54466225.

522664450 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (522664459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64029 + ... + 71728.

It is an arithmetic number, because the mean of its divisors is an integer number (25250988).

Almost surely, 2^522664450 is an apocalyptic number.

522664450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

522664450 is an abundant number, since it is smaller than the sum of its proper divisors (689382974).

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

522664450 is a wasteful number, since it uses less digits than its factorization.

522664450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135787 (or 135782 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 522664450 is about 22861.8557864404. The cubic root of 522664450 is about 805.5162769768.

The spelling of 522664450 in words is "five hundred twenty-two million, six hundred sixty-four thousand, four hundred fifty".