22140623618512 has 160 divisors (see below), whose sum is σ = 49813374240000. Its totient is φ = 9337903755264.

The previous prime is 22140623618483. The next prime is 22140623618539. The reversal of 22140623618512 is 21581632604122.

It is a super-2 number, since 2×22140623618512² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 926412739 + ... + 926436637.

It is an arithmetic number, because the mean of its divisors is an integer number (311333589000).

Almost surely, 2^{22140623618512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22140623618512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24906687120000).

22140623618512 is an abundant number, since it is smaller than the sum of its proper divisors (27672750621488).

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

22140623618512 is a wasteful number, since it uses less digits than its factorization.

22140623618512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24573 (or 24567 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 22140623618512 in words is "twenty-two trillion, one hundred forty billion, six hundred twenty-three million, six hundred eighteen thousand, five hundred twelve".