22155540325500 has 96 divisors (see below), whose sum is σ = 64553998436928. Its totient is φ = 5904749856000.

The previous prime is 22155540325481. The next prime is 22155540325531. The reversal of 22155540325500 is 552304555122.

It is a super-2 number, since 2×22155540325500² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630419 + ... + 6853418.

It is an arithmetic number, because the mean of its divisors is an integer number (672437483718).

Almost surely, 2^{22155540325500} is an apocalyptic number.

22155540325500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22155540325500 is an abundant number, since it is smaller than the sum of its proper divisors (42398458111428).

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

22155540325500 is a wasteful number, since it uses less digits than its factorization.

22155540325500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485600 (or 8485588 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 22155540325500 in words is "twenty-two trillion, one hundred fifty-five billion, five hundred forty million, three hundred twenty-five thousand, five hundred".