22657193901 has 24 divisors (see below), whose sum is σ = 34158284160. Its totient is φ = 14444549856.

The previous prime is 22657193861. The next prime is 22657193987. The reversal of 22657193901 is 10939175622.

It is a happy number.

It is not a de Polignac number, because 22657193901 - 2¹³ = 22657185709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22657193101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040160 + ... + 1061718.

It is an arithmetic number, because the mean of its divisors is an integer number (1423261840).

Almost surely, 2^22657193901 is an apocalyptic number.

It is an amenable number.

22657193901 is a deficient number, since it is larger than the sum of its proper divisors (11501090259).

22657193901 is a wasteful number, since it uses less digits than its factorization.

22657193901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26665 (or 26662 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 22657193901 in words is "twenty-two billion, six hundred fifty-seven million, one hundred ninety-three thousand, nine hundred one".