22541204100 has 72 divisors (see below), whose sum is σ = 67468181760. Its totient is φ = 5803710080.

The previous prime is 22541204099. The next prime is 22541204123. The reversal of 22541204100 is 140214522.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1286772 + ... + 1304171.

It is an arithmetic number, because the mean of its divisors is an integer number (937058080).

Almost surely, 2^22541204100 is an apocalyptic number.

22541204100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22541204100 is an abundant number, since it is smaller than the sum of its proper divisors (44926977660).

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

22541204100 is a wasteful number, since it uses less digits than its factorization.

22541204100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590989 (or 2590982 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 22541204100 its reverse (140214522), we get a palindrome (22681418622).

The spelling of 22541204100 in words is "twenty-two billion, five hundred forty-one million, two hundred four thousand, one hundred".