22565104836 has 96 divisors (see below), whose sum is σ = 57026954880. Its totient is φ = 6918395904.

The previous prime is 22565104831. The next prime is 22565104841. The reversal of 22565104836 is 63840156522.

It is an interprime number because it is at equal distance from previous prime (22565104831) and next prime (22565104841).

It is not an unprimeable number, because it can be changed into a prime (22565104831) 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, 2076810 + ... + 2087646.

It is an arithmetic number, because the mean of its divisors is an integer number (594030780).

Almost surely, 2^22565104836 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 22565104836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28513477440).

22565104836 is an abundant number, since it is smaller than the sum of its proper divisors (34461850044).

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

22565104836 is a wasteful number, since it uses less digits than its factorization.

22565104836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11093 (or 11091 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 22565104836 in words is "twenty-two billion, five hundred sixty-five million, one hundred four thousand, eight hundred thirty-six".