22289275008 has 1024 divisors, whose sum is σ = 93768192000. Its totient is φ = 5016453120.

The previous prime is 22289274979. The next prime is 22289275009. The reversal of 22289275008 is 80057298222.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22289275009) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 58810563 + ... + 58810941.

It is an arithmetic number, because the mean of its divisors is an integer number (91570500).

Almost surely, 2^22289275008 is an apocalyptic number.

22289275008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22289275008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46884096000).

22289275008 is an abundant number, since it is smaller than the sum of its proper divisors (71478916992).

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

22289275008 is a wasteful number, since it uses less digits than its factorization.

22289275008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 22289275008 in words is "twenty-two billion, two hundred eighty-nine million, two hundred seventy-five thousand, eight".