22791659 has 16 divisors (see below), whose sum is σ = 26369280. Its totient is φ = 19481760.

The previous prime is 22791649. The next prime is 22791661. The reversal of 22791659 is 95619722.

It is a cyclic number.

It is not a de Polignac number, because 22791659 - 2²⁰ = 21743083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22791619) 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, 34577 + ... + 35229.

It is an arithmetic number, because the mean of its divisors is an integer number (1648080).

Almost surely, 2^22791659 is an apocalyptic number.

22791659 is a deficient number, since it is larger than the sum of its proper divisors (3577621).

22791659 is a wasteful number, since it uses less digits than its factorization.

22791659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its digits is 68040, while the sum is 41.

The square root of 22791659 is about 4774.0610595174. The cubic root of 22791659 is about 283.5254050208.

The spelling of 22791659 in words is "twenty-two million, seven hundred ninety-one thousand, six hundred fifty-nine".