22112200431 has 12 divisors (see below), whose sum is σ = 31949803080. Its totient is φ = 14736870960.

The previous prime is 22112200421. The next prime is 22112200507. The reversal of 22112200431 is 13400221122.

It is a happy number.

22112200431 is a `hidden beast` number, since 2 + 2 + 11 + 220 + 0 + 431 = 666.

It is not a de Polignac number, because 22112200431 - 2⁷ = 22112200303 is a prime.

It is a super-2 number, since 2×22112200431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112200421) 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 11 ways as a sum of consecutive naturals, for example, 352401 + ... + 410378.

It is an arithmetic number, because the mean of its divisors is an integer number (2662483590).

Almost surely, 2^22112200431 is an apocalyptic number.

22112200431 is a deficient number, since it is larger than the sum of its proper divisors (9837602649).

22112200431 is a wasteful number, since it uses less digits than its factorization.

22112200431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766006 (or 766003 counting only the distinct ones).

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

Adding to 22112200431 its reverse (13400221122), we get a palindrome (35512421553).

The spelling of 22112200431 in words is "twenty-two billion, one hundred twelve million, two hundred thousand, four hundred thirty-one".