22251883864 has 32 divisors (see below), whose sum is σ = 48286195200. Its totient is φ = 9415804320.

The previous prime is 22251883861. The next prime is 22251883891. The reversal of 22251883864 is 46838815222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251883861) 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, 2510482 + ... + 2519329.

It is an arithmetic number, because the mean of its divisors is an integer number (1508943600).

Almost surely, 2^22251883864 is an apocalyptic number.

It is an amenable number.

22251883864 is an abundant number, since it is smaller than the sum of its proper divisors (26034311336).

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

22251883864 is a wasteful number, since it uses less digits than its factorization.

22251883864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029903 (or 5029899 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The spelling of 22251883864 in words is "twenty-two billion, two hundred fifty-one million, eight hundred eighty-three thousand, eight hundred sixty-four".