22050515655 has 128 divisors (see below), whose sum is σ = 46209945600. Its totient is φ = 9766656000.

The previous prime is 22050515647. The next prime is 22050515677. The reversal of 22050515655 is 55651505022.

It is not a de Polignac number, because 22050515655 - 2³ = 22050515647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5848611 + ... + 5852379.

It is an arithmetic number, because the mean of its divisors is an integer number (361015200).

Almost surely, 2^22050515655 is an apocalyptic number.

22050515655 is an abundant number, since it is smaller than the sum of its proper divisors (24159429945).

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

22050515655 is a wasteful number, since it uses less digits than its factorization.

22050515655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982 (or 3976 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 22050515655 in words is "twenty-two billion, fifty million, five hundred fifteen thousand, six hundred fifty-five".