22806163 has 4 divisors (see below), whose sum is σ = 24147720. Its totient is φ = 21464608.

The previous prime is 22806143. The next prime is 22806169. The reversal of 22806163 is 36160822.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-22806163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22806169) 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, 670753 + ... + 670786.

It is an arithmetic number, because the mean of its divisors is an integer number (6036930).

Almost surely, 2^22806163 is an apocalyptic number.

22806163 is a deficient number, since it is larger than the sum of its proper divisors (1341557).

22806163 is a wasteful number, since it uses less digits than its factorization.

22806163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341556.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22806163 is about 4775.5798600798. The cubic root of 22806163 is about 283.5855349200.

Adding to 22806163 its reverse (36160822), we get a palindrome (58966985).

The spelling of 22806163 in words is "twenty-two million, eight hundred six thousand, one hundred sixty-three".