22431250320044 has 12 divisors (see below), whose sum is σ = 39254939692584. Its totient is φ = 11215553265024.

The previous prime is 22431250319927. The next prime is 22431250320077. The reversal of 22431250320044 is 44002305213422.

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, 17268677 + ... + 18522140.

It is an arithmetic number, because the mean of its divisors is an integer number (3271244974382).

Almost surely, 2^{22431250320044} is an apocalyptic number.

It is an amenable number.

22431250320044 is a deficient number, since it is larger than the sum of its proper divisors (16823689372540).

22431250320044 is a wasteful number, since it uses less digits than its factorization.

22431250320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35947504 (or 35947502 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22431250320044 its reverse (44002305213422), we get a palindrome (66433555533466).

The spelling of 22431250320044 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred fifty million, three hundred twenty thousand, forty-four".