22389924317 has 2 divisors, whose sum is σ = 22389924318. Its totient is φ = 22389924316.

The previous prime is 22389924283. The next prime is 22389924329. The reversal of 22389924317 is 71342998322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18140318596 + 4249605721 = 134686^2 + 65189^2 .

It is a cyclic number.

It is not a de Polignac number, because 22389924317 - 2¹⁰ = 22389923293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22389924377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11194962158 + 11194962159.

It is an arithmetic number, because the mean of its divisors is an integer number (11194962159).

Almost surely, 2^22389924317 is an apocalyptic number.

It is an amenable number.

22389924317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22389924317 is an equidigital number, since it uses as much as digits as its factorization.

22389924317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The spelling of 22389924317 in words is "twenty-two billion, three hundred eighty-nine million, nine hundred twenty-four thousand, three hundred seventeen".