22431043344042 has 12 divisors (see below), whose sum is σ = 48600593912130. Its totient is φ = 7477014448008.

The previous prime is 22431043344041. The next prime is 22431043344097. The reversal of 22431043344042 is 24044334013422.

22431043344042 is a `hidden beast` number, since 2 + 2 + 4 + 310 + 4 + 334 + 4 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15051133217241 + 7379910126801 = 3879579^2 + 2716599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22431043343988 and 22431043344006.

It is not an unprimeable number, because it can be changed into a prime (22431043344041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623084537317 + ... + 623084537352.

Almost surely, 2^{22431043344042} is an apocalyptic number.

22431043344042 is an abundant number, since it is smaller than the sum of its proper divisors (26169550568088).

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

22431043344042 is a wasteful number, since it uses less digits than its factorization.

22431043344042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246169074677 (or 1246169074674 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 22431043344042 its reverse (24044334013422), we get a palindrome (46475377357464).

The spelling of 22431043344042 in words is "twenty-two trillion, four hundred thirty-one billion, forty-three million, three hundred forty-four thousand, forty-two".