22131414444 has 12 divisors (see below), whose sum is σ = 51639967064. Its totient is φ = 7377138144.

The previous prime is 22131414341. The next prime is 22131414449. The reversal of 22131414444 is 44441413122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22131414449) 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, 922142257 + ... + 922142280.

Almost surely, 2^22131414444 is an apocalyptic number.

It is an amenable number.

22131414444 is an abundant number, since it is smaller than the sum of its proper divisors (29508552620).

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

22131414444 is a wasteful number, since it uses less digits than its factorization.

22131414444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844284544 (or 1844284542 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 22131414444 its reverse (44441413122), we get a palindrome (66572827566).

The spelling of 22131414444 in words is "twenty-two billion, one hundred thirty-one million, four hundred fourteen thousand, four hundred forty-four".