22200012044 has 12 divisors (see below), whose sum is σ = 44400024144. Its totient is φ = 9514290864.

The previous prime is 22200012041. The next prime is 22200012047. The reversal of 22200012044 is 44021000222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22200012041) and next prime (22200012047).

22200012044 is an admirable number.

It is a super-3 number, since 3×22200012044³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22200012041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396428759 + ... + 396428814.

It is an arithmetic number, because the mean of its divisors is an integer number (3700002012).

Almost surely, 2^22200012044 is an apocalyptic number.

It is an amenable number.

22200012044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22200012044 is a wasteful number, since it uses less digits than its factorization.

22200012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792857584 (or 792857582 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22200012044 its reverse (44021000222), we get a palindrome (66221012266).

The spelling of 22200012044 in words is "twenty-two billion, two hundred million, twelve thousand, forty-four".