22112661238 has 16 divisors (see below), whose sum is σ = 33931353600. Its totient is φ = 10802996776.

The previous prime is 22112661227. The next prime is 22112661239. The reversal of 22112661238 is 83216621122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112661239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140056 + ... + 252667.

It is an arithmetic number, because the mean of its divisors is an integer number (2120709600).

Almost surely, 2^22112661238 is an apocalyptic number.

22112661238 is a deficient number, since it is larger than the sum of its proper divisors (11818692362).

22112661238 is a wasteful number, since it uses less digits than its factorization.

22112661238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393371.

The product of its digits is 13824, while the sum is 34.

The spelling of 22112661238 in words is "twenty-two billion, one hundred twelve million, six hundred sixty-one thousand, two hundred thirty-eight".