22638957113472 has 768 divisors, whose sum is σ = 76721302137600. Its totient is φ = 5870216282112.

The previous prime is 22638957113467. The next prime is 22638957113473. The reversal of 22638957113472 is 27431175983622.

It is not an unprimeable number, because it can be changed into a prime (22638957113473) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12087002328 + ... + 12087004200.

It is an arithmetic number, because the mean of its divisors is an integer number (99897528825).

Almost surely, 2^{22638957113472} 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 22638957113472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38360651068800).

22638957113472 is an abundant number, since it is smaller than the sum of its proper divisors (54082345024128).

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

22638957113472 is a wasteful number, since it uses less digits than its factorization.

22638957113472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253 (or 3234 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The spelling of 22638957113472 in words is "twenty-two trillion, six hundred thirty-eight billion, nine hundred fifty-seven million, one hundred thirteen thousand, four hundred seventy-two".