22117601128 has 64 divisors (see below), whose sum is σ = 47806070400. Its totient is φ = 9396925440.

The previous prime is 22117601123. The next prime is 22117601141. The reversal of 22117601128 is 82110671122.

It is a self number, because there is not a number n which added to its sum of digits gives 22117601128.

It is not an unprimeable number, because it can be changed into a prime (22117601123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7448028 + ... + 7450996.

It is an arithmetic number, because the mean of its divisors is an integer number (746969850).

Almost surely, 2^22117601128 is an apocalyptic number.

22117601128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22117601128 is an abundant number, since it is smaller than the sum of its proper divisors (25688469272).

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

22117601128 is a wasteful number, since it uses less digits than its factorization.

22117601128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The spelling of 22117601128 in words is "twenty-two billion, one hundred seventeen million, six hundred one thousand, one hundred twenty-eight".