22397666193 has 24 divisors (see below), whose sum is σ = 38248891200. Its totient is φ = 12357332064.

The previous prime is 22397666147. The next prime is 22397666197. The reversal of 22397666193 is 39166679322.

It is not a de Polignac number, because 22397666193 - 2¹⁸ = 22397404049 is a prime.

It is a super-2 number, since 2×22397666193² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22397666197) 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, 6127803 + ... + 6131456.

It is an arithmetic number, because the mean of its divisors is an integer number (1593703800).

Almost surely, 2^22397666193 is an apocalyptic number.

It is an amenable number.

22397666193 is a deficient number, since it is larger than the sum of its proper divisors (15851225007).

22397666193 is a wasteful number, since it uses less digits than its factorization.

22397666193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12259301 (or 12259298 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The spelling of 22397666193 in words is "twenty-two billion, three hundred ninety-seven million, six hundred sixty-six thousand, one hundred ninety-three".