22131104044 has 24 divisors (see below), whose sum is σ = 44268053760. Its totient is φ = 9483506256.

The previous prime is 22131104029. The next prime is 22131104089. The reversal of 22131104044 is 44040113122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182049 + ... + 278215.

It is an arithmetic number, because the mean of its divisors is an integer number (1844502240).

Almost surely, 2^22131104044 is an apocalyptic number.

It is an amenable number.

22131104044 is an abundant number, since it is smaller than the sum of its proper divisors (22136949716).

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

22131104044 is a wasteful number, since it uses less digits than its factorization.

22131104044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104397 (or 104395 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22131104044 its reverse (44040113122), we get a palindrome (66171217166).

The spelling of 22131104044 in words is "twenty-two billion, one hundred thirty-one million, one hundred four thousand, forty-four".