22091017 has 8 divisors (see below), whose sum is σ = 24825024. Its totient is φ = 19504848.

The previous prime is 22090993. The next prime is 22091021. The reversal of 22091017 is 71019022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22091017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22091077) 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, 36643 + ... + 37240.

It is an arithmetic number, because the mean of its divisors is an integer number (3103128).

Almost surely, 2^22091017 is an apocalyptic number.

It is an amenable number.

22091017 is a deficient number, since it is larger than the sum of its proper divisors (2734007).

22091017 is a wasteful number, since it uses less digits than its factorization.

22091017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73919.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 22091017 is about 4700.1081902441. The cubic root of 22091017 is about 280.5898153648.

The spelling of 22091017 in words is "twenty-two million, ninety-one thousand, seventeen".