22504404100 has 18 divisors (see below), whose sum is σ = 48834557114. Its totient is φ = 9001761600.

The previous prime is 22504404053. The next prime is 22504404101. The reversal of 22504404100 is 140440522.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7523133696 + 14981270404 = 86736^2 + 122398^2 .

It is not an unprimeable number, because it can be changed into a prime (22504404101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112521921 + ... + 112522120.

Almost surely, 2^22504404100 is an apocalyptic number.

22504404100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22504404100 is an abundant number, since it is smaller than the sum of its proper divisors (26330153014).

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

22504404100 is a wasteful number, since it uses less digits than its factorization.

22504404100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225044055 (or 225044048 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 22504404100 its reverse (140440522), we get a palindrome (22644844622).

The spelling of 22504404100 in words is "twenty-two billion, five hundred four million, four hundred four thousand, one hundred".