22142930939 has 2 divisors, whose sum is σ = 22142930940. Its totient is φ = 22142930938.

The previous prime is 22142930911. The next prime is 22142930951. The reversal of 22142930939 is 93903924122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22142930939 - 2⁸ = 22142930683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22142930939.

It is not a weakly prime, because it can be changed into another prime (22142939939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071465469 + 11071465470.

It is an arithmetic number, because the mean of its divisors is an integer number (11071465470).

Almost surely, 2^22142930939 is an apocalyptic number.

22142930939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142930939 is an equidigital number, since it uses as much as digits as its factorization.

22142930939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 22142930939 in words is "twenty-two billion, one hundred forty-two million, nine hundred thirty thousand, nine hundred thirty-nine".