22559121856680 has 128 divisors (see below), whose sum is σ = 73969948154880. Its totient is φ = 5479255388160.

The previous prime is 22559121856657. The next prime is 22559121856723. The reversal of 22559121856680 is 8665812195522.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 178297939 + ... + 178424418.

It is an arithmetic number, because the mean of its divisors is an integer number (577890219960).

Almost surely, 2^{22559121856680} is an apocalyptic number.

22559121856680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22559121856680 is an abundant number, since it is smaller than the sum of its proper divisors (51410826298200).

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

22559121856680 is a wasteful number, since it uses less digits than its factorization.

22559121856680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356722419 (or 356722415 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 60.

The spelling of 22559121856680 in words is "twenty-two trillion, five hundred fifty-nine billion, one hundred twenty-one million, eight hundred fifty-six thousand, six hundred eighty".