22994763317 has 4 divisors (see below), whose sum is σ = 23787686220. Its totient is φ = 22201840416.

The previous prime is 22994763299. The next prime is 22994763343. The reversal of 22994763317 is 71336749922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12150873361 + 10843889956 = 110231^2 + 104134^2 .

It is not a de Polignac number, because 22994763317 - 2²⁰ = 22993714741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22994765317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396461408 + ... + 396461465.

It is an arithmetic number, because the mean of its divisors is an integer number (5946921555).

Almost surely, 2^22994763317 is an apocalyptic number.

It is an amenable number.

22994763317 is a deficient number, since it is larger than the sum of its proper divisors (792922903).

22994763317 is an equidigital number, since it uses as much as digits as its factorization.

22994763317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792922902.

The product of its digits is 3429216, while the sum is 53.

The spelling of 22994763317 in words is "twenty-two billion, nine hundred ninety-four million, seven hundred sixty-three thousand, three hundred seventeen".