22397843117 has 8 divisors (see below), whose sum is σ = 24129567000. Its totient is φ = 20667378240.

The previous prime is 22397843101. The next prime is 22397843147. The reversal of 22397843117 is 71134879322.

It can be written as a sum of positive squares in 4 ways, for example, as 23367556 + 22374475561 = 4834^2 + 149581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22397843117 - 2⁴ = 22397843101 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 (22397843147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277634 + ... + 349107.

It is an arithmetic number, because the mean of its divisors is an integer number (3016195875).

Almost surely, 2^22397843117 is an apocalyptic number.

It is an amenable number.

22397843117 is a deficient number, since it is larger than the sum of its proper divisors (1731723883).

22397843117 is a wasteful number, since it uses less digits than its factorization.

22397843117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629503.

The product of its digits is 508032, while the sum is 47.

The spelling of 22397843117 in words is "twenty-two billion, three hundred ninety-seven million, eight hundred forty-three thousand, one hundred seventeen".