22559770128 has 60 divisors (see below), whose sum is σ = 67794418320. Its totient is φ = 6445647936.

The previous prime is 22559770081. The next prime is 22559770141. The reversal of 22559770128 is 82107795522.

It is a super-2 number, since 2×22559770128² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4793518 + ... + 4798221.

It is an arithmetic number, because the mean of its divisors is an integer number (1129906972).

Almost surely, 2^22559770128 is an apocalyptic number.

22559770128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22559770128 is an abundant number, since it is smaller than the sum of its proper divisors (45234648192).

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

22559770128 is a wasteful number, since it uses less digits than its factorization.

22559770128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591764 (or 9591751 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 22559770128 in words is "twenty-two billion, five hundred fifty-nine million, seven hundred seventy thousand, one hundred twenty-eight".