22031253112044 has 96 divisors (see below), whose sum is σ = 59998832328960. Its totient is φ = 6221076998400.

The previous prime is 22031253112019. The next prime is 22031253112049. The reversal of 22031253112044 is 44021135213022.

It is a happy number.

It is a super-2 number, since 2×22031253112044² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22031253112049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71850219 + ... + 72156194.

It is an arithmetic number, because the mean of its divisors is an integer number (624987836760).

Almost surely, 2^{22031253112044} is an apocalyptic number.

It is an amenable number.

22031253112044 is an abundant number, since it is smaller than the sum of its proper divisors (37967579216916).

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

22031253112044 is a wasteful number, since it uses less digits than its factorization.

22031253112044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144006511 (or 144006509 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 22031253112044 its reverse (44021135213022), we get a palindrome (66052388325066).

The spelling of 22031253112044 in words is "twenty-two trillion, thirty-one billion, two hundred fifty-three million, one hundred twelve thousand, forty-four".