22657193946 has 24 divisors (see below), whose sum is σ = 49138801920. Its totient is φ = 7544980296.

The previous prime is 22657193861. The next prime is 22657193987. The reversal of 22657193946 is 64939175622.

22657193946 is a `hidden beast` number, since 2 + 26 + 571 + 9 + 3 + 9 + 46 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22657193892 and 22657193901.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599290 + ... + 635973.

It is an arithmetic number, because the mean of its divisors is an integer number (2047450080).

Almost surely, 2^22657193946 is an apocalyptic number.

22657193946 is an abundant number, since it is smaller than the sum of its proper divisors (26481607974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22657193946 is a wasteful number, since it uses less digits than its factorization.

22657193946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236290 (or 1236287 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 22657193946 in words is "twenty-two billion, six hundred fifty-seven million, one hundred ninety-three thousand, nine hundred forty-six".