22431131455254 has 48 divisors (see below), whose sum is σ = 47352828059712. Its totient is φ = 7082749030896.

The previous prime is 22431131455189. The next prime is 22431131455259. The reversal of 22431131455254 is 45255413113422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431131455259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19638217 + ... + 20749019.

It is an arithmetic number, because the mean of its divisors is an integer number (986517251244).

Almost surely, 2^{22431131455254} is an apocalyptic number.

22431131455254 is an abundant number, since it is smaller than the sum of its proper divisors (24921696604458).

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

22431131455254 is a wasteful number, since it uses less digits than its factorization.

22431131455254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120169 (or 1120150 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

Adding to 22431131455254 its reverse (45255413113422), we get a palindrome (67686544568676).

The spelling of 22431131455254 in words is "twenty-two trillion, four hundred thirty-one billion, one hundred thirty-one million, four hundred fifty-five thousand, two hundred fifty-four".