22112042031 has 6 divisors (see below), whose sum is σ = 31939616280. Its totient is φ = 14741361348.

The previous prime is 22112042027. The next prime is 22112042047. The reversal of 22112042031 is 13024021122.

It is a happy number.

22112042031 is a `hidden beast` number, since 2 + 211 + 2 + 0 + 420 + 31 = 666.

It is not a de Polignac number, because 22112042031 - 2² = 22112042027 is a prime.

It is a super-2 number, since 2×22112042031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22112041995 and 22112042013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112442031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1228446771 + ... + 1228446788.

It is an arithmetic number, because the mean of its divisors is an integer number (5323269380).

Almost surely, 2^22112042031 is an apocalyptic number.

22112042031 is a deficient number, since it is larger than the sum of its proper divisors (9827574249).

22112042031 is a wasteful number, since it uses less digits than its factorization.

22112042031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456893565 (or 2456893562 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22112042031 its reverse (13024021122), we get a palindrome (35136063153).

The spelling of 22112042031 in words is "twenty-two billion, one hundred twelve million, forty-two thousand, thirty-one".