22657193947 has 16 divisors (see below), whose sum is σ = 23852176128. Its totient is φ = 21480481440.

The previous prime is 22657193861. The next prime is 22657193987. The reversal of 22657193947 is 74939175622.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22657193947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22657193987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1308448 + ... + 1325650.

It is an arithmetic number, because the mean of its divisors is an integer number (1490761008).

Almost surely, 2^22657193947 is an apocalyptic number.

22657193947 is a deficient number, since it is larger than the sum of its proper divisors (1194982181).

22657193947 is a wasteful number, since it uses less digits than its factorization.

22657193947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17730.

The product of its digits is 5715360, while the sum is 55.

The spelling of 22657193947 in words is "twenty-two billion, six hundred fifty-seven million, one hundred ninety-three thousand, nine hundred forty-seven".