22233279872 has 32 divisors (see below), whose sum is σ = 45489976320. Its totient is φ = 10816187904.

The previous prime is 22233279869. The next prime is 22233279883. The reversal of 22233279872 is 27897233222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342528 + ... + 2351999.

It is an arithmetic number, because the mean of its divisors is an integer number (1421561760).

Almost surely, 2^22233279872 is an apocalyptic number.

It is an amenable number.

22233279872 is an abundant number, since it is smaller than the sum of its proper divisors (23256696448).

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

22233279872 is an equidigital number, since it uses as much as digits as its factorization.

22233279872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694578 (or 4694566 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The spelling of 22233279872 in words is "twenty-two billion, two hundred thirty-three million, two hundred seventy-nine thousand, eight hundred seventy-two".