22556463115144 has 128 divisors (see below), whose sum is σ = 51648480000000. Its totient is φ = 9026759024640.

The previous prime is 22556463115117. The next prime is 22556463115171. The reversal of 22556463115144 is 44151136465522.

It is an interprime number because it is at equal distance from previous prime (22556463115117) and next prime (22556463115171).

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, 77838232 + ... + 78127480.

It is an arithmetic number, because the mean of its divisors is an integer number (403503750000).

Almost surely, 2^{22556463115144} 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 22556463115144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25824240000000).

22556463115144 is an abundant number, since it is smaller than the sum of its proper divisors (29092016884856).

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

22556463115144 is a wasteful number, since it uses less digits than its factorization.

22556463115144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290871 (or 290867 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

The spelling of 22556463115144 in words is "twenty-two trillion, five hundred fifty-six billion, four hundred sixty-three million, one hundred fifteen thousand, one hundred forty-four".