22551404202 has 24 divisors (see below), whose sum is σ = 49212901920. Its totient is φ = 7463053800.

The previous prime is 22551404177. The next prime is 22551404203. The reversal of 22551404202 is 20240415522.

22551404202 is a `hidden beast` number, since 2 + 2 + 5 + 51 + 404 + 202 = 666.

It is not an unprimeable number, because it can be changed into a prime (22551404203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4504174 + ... + 4509177.

It is an arithmetic number, because the mean of its divisors is an integer number (2050537580).

Almost surely, 2^22551404202 is an apocalyptic number.

22551404202 is an abundant number, since it is smaller than the sum of its proper divisors (26661497718).

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

22551404202 is a wasteful number, since it uses less digits than its factorization.

22551404202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9013498 (or 9013495 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22551404202 its reverse (20240415522), we get a palindrome (42791819724).

The spelling of 22551404202 in words is "twenty-two billion, five hundred fifty-one million, four hundred four thousand, two hundred two".