22986163 has 4 divisors (see below), whose sum is σ = 23000728. Its totient is φ = 22971600.

The previous prime is 22986151. The next prime is 22986169. The reversal of 22986163 is 36168922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36168922 = 2 ⋅18084461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22986163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22986169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4581 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (5750182).

Almost surely, 2^22986163 is an apocalyptic number.

22986163 is a deficient number, since it is larger than the sum of its proper divisors (14565).

22986163 is a wasteful number, since it uses less digits than its factorization.

22986163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564.

The product of its digits is 31104, while the sum is 37.

The square root of 22986163 is about 4794.3886993026. The cubic root of 22986163 is about 284.3296567080.

The spelling of 22986163 in words is "twenty-two million, nine hundred eighty-six thousand, one hundred sixty-three".