22168089 has 24 divisors (see below), whose sum is σ = 32920160. Its totient is φ = 14370048.

The previous prime is 22168073. The next prime is 22168099. The reversal of 22168089 is 98086122.

It is not a de Polignac number, because 22168089 - 2⁴ = 22168073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22168099) 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, 58302 + ... + 58680.

Almost surely, 2^22168089 is an apocalyptic number.

It is an amenable number.

22168089 is a deficient number, since it is larger than the sum of its proper divisors (10752071).

22168089 is a wasteful number, since it uses less digits than its factorization.

22168089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 22168089 is about 4708.3000116815. The cubic root of 22168089 is about 280.9157475065.

The spelling of 22168089 in words is "twenty-two million, one hundred sixty-eight thousand, eighty-nine".