22204265216 has 72 divisors (see below), whose sum is σ = 53633170080. Its totient is φ = 8956329984.

The previous prime is 22204265207. The next prime is 22204265227. The reversal of 22204265216 is 61256240222.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 333971 + ... + 394898.

It is an arithmetic number, because the mean of its divisors is an integer number (744905140).

Almost surely, 2^22204265216 is an apocalyptic number.

It is an amenable number.

22204265216 is an abundant number, since it is smaller than the sum of its proper divisors (31428904864).

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

22204265216 is an equidigital number, since it uses as much as digits as its factorization.

22204265216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728909 (or 728895 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 22204265216 in words is "twenty-two billion, two hundred four million, two hundred sixty-five thousand, two hundred sixteen".