22555064140 has 24 divisors (see below), whose sum is σ = 54132154272. Its totient is φ = 7733164800.

The previous prime is 22555064137. The next prime is 22555064239. The reversal of 22555064140 is 4146055522.

It is a junction number, because it is equal to n+sod(n) for n = 22555064096 and 22555064105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80553661 + ... + 80553940.

It is an arithmetic number, because the mean of its divisors is an integer number (2255506428).

Almost surely, 2^22555064140 is an apocalyptic number.

22555064140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555064140 is an abundant number, since it is smaller than the sum of its proper divisors (31577090132).

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

22555064140 is a wasteful number, since it uses less digits than its factorization.

22555064140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161107617 (or 161107615 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 22555064140 in words is "twenty-two billion, five hundred fifty-five million, sixty-four thousand, one hundred forty".