22657193909 has 8 divisors (see below), whose sum is σ = 26058866688. Its totient is φ = 19296753840.

The previous prime is 22657193861. The next prime is 22657193987. The reversal of 22657193909 is 90939175622.

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

It is not a de Polignac number, because 22657193909 - 2²⁴ = 22640416693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22657183909) 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, 10306997 + ... + 10309194.

It is an arithmetic number, because the mean of its divisors is an integer number (3257358336).

Almost surely, 2^22657193909 is an apocalyptic number.

It is an amenable number.

22657193909 is a deficient number, since it is larger than the sum of its proper divisors (3401672779).

22657193909 is a wasteful number, since it uses less digits than its factorization.

22657193909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20616355.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 22657193909 in words is "twenty-two billion, six hundred fifty-seven million, one hundred ninety-three thousand, nine hundred nine".