22537916808 has 128 divisors (see below), whose sum is σ = 63855267840. Its totient is φ = 6569024000.

The previous prime is 22537916761. The next prime is 22537916809. The reversal of 22537916808 is 80861973522.

It is not an unprimeable number, because it can be changed into a prime (22537916809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753841 + ... + 783167.

It is an arithmetic number, because the mean of its divisors is an integer number (498869280).

Almost surely, 2^22537916808 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 22537916808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31927633920).

22537916808 is an abundant number, since it is smaller than the sum of its proper divisors (41317351032).

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

22537916808 is a wasteful number, since it uses less digits than its factorization.

22537916808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29459 (or 29455 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 22537916808 in words is "twenty-two billion, five hundred thirty-seven million, nine hundred sixteen thousand, eight hundred eight".