22142939938 has 32 divisors (see below), whose sum is σ = 38338121088. Its totient is φ = 9395568000.

The previous prime is 22142939893. The next prime is 22142939939. The reversal of 22142939938 is 83993924122.

It is not an unprimeable number, because it can be changed into a prime (22142939939) 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 15 ways as a sum of consecutive naturals, for example, 599713 + ... + 635563.

It is an arithmetic number, because the mean of its divisors is an integer number (1198066284).

Almost surely, 2^22142939938 is an apocalyptic number.

22142939938 is a deficient number, since it is larger than the sum of its proper divisors (16195181150).

22142939938 is a wasteful number, since it uses less digits than its factorization.

22142939938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36298.

The product of its digits is 1679616, while the sum is 52.

The spelling of 22142939938 in words is "twenty-two billion, one hundred forty-two million, nine hundred thirty-nine thousand, nine hundred thirty-eight".