22621025088 has 112 divisors (see below), whose sum is σ = 67412981760. Its totient is φ = 7437007872.

The previous prime is 22621025083. The next prime is 22621025099. The reversal of 22621025088 is 88052012622.

22621025088 is a `hidden beast` number, since 2 + 2 + 621 + 0 + 25 + 0 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22621025081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36481 + ... + 215807.

Almost surely, 2^22621025088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22621025088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33706490880).

22621025088 is an abundant number, since it is smaller than the sum of its proper divisors (44791956672).

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

22621025088 is a wasteful number, since it uses less digits than its factorization.

22621025088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179421 (or 179405 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 22621025088 in words is "twenty-two billion, six hundred twenty-one million, twenty-five thousand, eighty-eight".