22979210393 has 2 divisors, whose sum is σ = 22979210394. Its totient is φ = 22979210392.

The previous prime is 22979210377. The next prime is 22979210407. The reversal of 22979210393 is 39301297922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13352264704 + 9626945689 = 115552^2 + 98117^2 .

It is a cyclic number.

It is not a de Polignac number, because 22979210393 - 2⁴ = 22979210377 is a prime.

It is a super-2 number, since 2×22979210393² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22979210333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489605196 + 11489605197.

It is an arithmetic number, because the mean of its divisors is an integer number (11489605197).

Almost surely, 2^22979210393 is an apocalyptic number.

It is an amenable number.

22979210393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22979210393 is an equidigital number, since it uses as much as digits as its factorization.

22979210393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 22979210393 in words is "twenty-two billion, nine hundred seventy-nine million, two hundred ten thousand, three hundred ninety-three".