22113523136 has 56 divisors (see below), whose sum is σ = 45443973120. Its totient is φ = 10665388800.

The previous prime is 22113523127. The next prime is 22113523139. The reversal of 22113523136 is 63132531122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22113523099 and 22113523108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113523139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599105 + ... + 634943.

It is an arithmetic number, because the mean of its divisors is an integer number (811499520).

Almost surely, 2^22113523136 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 22113523136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22721986560).

22113523136 is an abundant number, since it is smaller than the sum of its proper divisors (23330449984).

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

22113523136 is a wasteful number, since it uses less digits than its factorization.

22113523136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36193 (or 36183 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The spelling of 22113523136 in words is "twenty-two billion, one hundred thirteen million, five hundred twenty-three thousand, one hundred thirty-six".