22445163 has 24 divisors (see below), whose sum is σ = 35773920. Its totient is φ = 13472640.

The previous prime is 22445161. The next prime is 22445167. The reversal of 22445163 is 36154422.

It is not a de Polignac number, because 22445163 - 2¹ = 22445161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22445161) 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, 2458 + ... + 7136.

It is an arithmetic number, because the mean of its divisors is an integer number (1490580).

Almost surely, 2^22445163 is an apocalyptic number.

22445163 is a deficient number, since it is larger than the sum of its proper divisors (13328757).

22445163 is a wasteful number, since it uses less digits than its factorization.

22445163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4736 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22445163 is about 4737.6326366657. The cubic root of 22445163 is about 282.0812727873.

Adding to 22445163 its reverse (36154422), we get a palindrome (58599585).

The spelling of 22445163 in words is "twenty-two million, four hundred forty-five thousand, one hundred sixty-three".