22555444554 has 24 divisors (see below), whose sum is σ = 50062085892. Its totient is φ = 7335103680.

The previous prime is 22555444553. The next prime is 22555444567. The reversal of 22555444554 is 45544455522.

22555444554 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 54 + 44 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22029980625 + 525463929 = 148425^2 + 22923^2 .

It is not an unprimeable number, because it can be changed into a prime (22555444553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15280729 + ... + 15282204.

Almost surely, 2^22555444554 is an apocalyptic number.

22555444554 is an abundant number, since it is smaller than the sum of its proper divisors (27506641338).

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

22555444554 is a wasteful number, since it uses less digits than its factorization.

22555444554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30562982 (or 30562979 counting only the distinct ones).

The product of its digits is 3200000, while the sum is 45.

The spelling of 22555444554 in words is "twenty-two billion, five hundred fifty-five million, four hundred forty-four thousand, five hundred fifty-four".