22023872256 has 72 divisors (see below), whose sum is σ = 60045353424. Its totient is φ = 7162224640.

The previous prime is 22023872251. The next prime is 22023872291. The reversal of 22023872256 is 65227832022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023872251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318231 + ... + 381206.

It is an arithmetic number, because the mean of its divisors is an integer number (833963242).

Almost surely, 2^22023872256 is an apocalyptic number.

It is an amenable number.

22023872256 is an abundant number, since it is smaller than the sum of its proper divisors (38021481168).

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

22023872256 is an equidigital number, since it uses as much as digits as its factorization.

22023872256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699497 (or 699483 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 22023872256 in words is "twenty-two billion, twenty-three million, eight hundred seventy-two thousand, two hundred fifty-six".