22557388375522 has 128 divisors (see below), whose sum is σ = 45626668899840. Its totient is φ = 8077535170560.

The previous prime is 22557388375513. The next prime is 22557388375553.

22557388375522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 556553754 + ... + 556594282.

It is an arithmetic number, because the mean of its divisors is an integer number (356458350780).

Almost surely, 2^{22557388375522} is an apocalyptic number.

22557388375522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22557388375522 is an abundant number, since it is smaller than the sum of its proper divisors (23069280524318).

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

22557388375522 is a wasteful number, since it uses less digits than its factorization.

22557388375522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41756.

The product of its digits is 282240000, while the sum is 64.

The spelling of 22557388375522 in words is "twenty-two trillion, five hundred fifty-seven billion, three hundred eighty-eight million, three hundred seventy-five thousand, five hundred twenty-two".