22555431120 has 80 divisors (see below), whose sum is σ = 69936898752. Its totient is φ = 6013486080.

The previous prime is 22555431109. The next prime is 22555431121. The reversal of 22555431120 is 2113455522.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555431121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724124 + ... + 1737156.

Almost surely, 2^22555431120 is an apocalyptic number.

22555431120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555431120 is an abundant number, since it is smaller than the sum of its proper divisors (47381467632).

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

22555431120 is a wasteful number, since it uses less digits than its factorization.

22555431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20260 (or 20254 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 22555431120 its reverse (2113455522), we get a palindrome (24668886642).

The spelling of 22555431120 in words is "twenty-two billion, five hundred fifty-five million, four hundred thirty-one thousand, one hundred twenty".