22556013623232 has 112 divisors (see below), whose sum is σ = 60697831766400. Its totient is φ = 7390400312320.

The previous prime is 22556013623207. The next prime is 22556013623233. The reversal of 22556013623232 is 23232631065522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556013623233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104347519 + ... + 104563457.

Almost surely, 2^{22556013623232} 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 22556013623232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30348915883200).

22556013623232 is an abundant number, since it is smaller than the sum of its proper divisors (38141818143168).

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

22556013623232 is a wasteful number, since it uses less digits than its factorization.

22556013623232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225234 (or 225224 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 22556013623232 its reverse (23232631065522), we get a palindrome (45788644688754).

The spelling of 22556013623232 in words is "twenty-two trillion, five hundred fifty-six billion, thirteen million, six hundred twenty-three thousand, two hundred thirty-two".