22431024121144 has 64 divisors (see below), whose sum is σ = 43194979094400. Its totient is φ = 10916246016000.

The previous prime is 22431024121139. The next prime is 22431024121147. The reversal of 22431024121144 is 44112142013422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431024121147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342159169 + ... + 342224719.

It is an arithmetic number, because the mean of its divisors is an integer number (674921548350).

Almost surely, 2^{22431024121144} is an apocalyptic number.

It is an amenable number.

22431024121144 is a deficient number, since it is larger than the sum of its proper divisors (20763954973256).

22431024121144 is a wasteful number, since it uses less digits than its factorization.

22431024121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72944 (or 72940 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 22431024121144 its reverse (44112142013422), we get a palindrome (66543166134566).

The spelling of 22431024121144 in words is "twenty-two trillion, four hundred thirty-one billion, twenty-four million, one hundred twenty-one thousand, one hundred forty-four".