22355105220 has 96 divisors (see below), whose sum is σ = 79484832000. Its totient is φ = 5109737472.

The previous prime is 22355105209. The next prime is 22355105317. The reversal of 22355105220 is 2250155322.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2953245 + ... + 2960804.

It is an arithmetic number, because the mean of its divisors is an integer number (827967000).

Almost surely, 2^22355105220 is an apocalyptic number.

22355105220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22355105220 is an abundant number, since it is smaller than the sum of its proper divisors (57129726780).

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

22355105220 is a wasteful number, since it uses less digits than its factorization.

22355105220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914074 (or 5914066 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 22355105220 in words is "twenty-two billion, three hundred fifty-five million, one hundred five thousand, two hundred twenty".