22993772657 has 8 divisors (see below), whose sum is σ = 23580016416. Its totient is φ = 22409870112.

The previous prime is 22993772653. The next prime is 22993772719. The reversal of 22993772657 is 75627739922.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22993772657 - 2² = 22993772653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22993772596 and 22993772605.

It is not an unprimeable number, because it can be changed into a prime (22993772653) 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, 565403 + ... + 604704.

It is an arithmetic number, because the mean of its divisors is an integer number (2947502052).

Almost surely, 2^22993772657 is an apocalyptic number.

It is an amenable number.

22993772657 is a deficient number, since it is larger than the sum of its proper divisors (586243759).

22993772657 is a wasteful number, since it uses less digits than its factorization.

22993772657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170607.

The product of its digits is 20003760, while the sum is 59.

The spelling of 22993772657 in words is "twenty-two billion, nine hundred ninety-three million, seven hundred seventy-two thousand, six hundred fifty-seven".