22431240044 has 12 divisors (see below), whose sum is σ = 40608279600. Its totient is φ = 10828874448.

The previous prime is 22431239993. The next prime is 22431240103. The reversal of 22431240044 is 44004213422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22431239995 and 22431240022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96686264 + ... + 96686495.

It is an arithmetic number, because the mean of its divisors is an integer number (3384023300).

Almost surely, 2^22431240044 is an apocalyptic number.

It is an amenable number.

22431240044 is a deficient number, since it is larger than the sum of its proper divisors (18177039556).

22431240044 is a wasteful number, since it uses less digits than its factorization.

22431240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193372792 (or 193372790 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22431240044 its reverse (44004213422), we get a palindrome (66435453466).

The spelling of 22431240044 in words is "twenty-two billion, four hundred thirty-one million, two hundred forty thousand, forty-four".