220908522 has 16 divisors (see below), whose sum is σ = 443328480. Its totient is φ = 73384272.

The previous prime is 220908503. The next prime is 220908551. The reversal of 220908522 is 225809022.

It is a self number, because there is not a number n which added to its sum of digits gives 220908522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61072 + ... + 64587.

It is an arithmetic number, because the mean of its divisors is an integer number (27708030).

Almost surely, 2^220908522 is an apocalyptic number.

220908522 is an abundant number, since it is smaller than the sum of its proper divisors (222419958).

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

220908522 is a wasteful number, since it uses less digits than its factorization.

220908522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125957.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 220908522 is about 14862.9916907734. The cubic root of 220908522 is about 604.5109286576.

The spelling of 220908522 in words is "two hundred twenty million, nine hundred eight thousand, five hundred twenty-two".