22765163 has 4 divisors (see below), whose sum is σ = 22986288. Its totient is φ = 22544040.

The previous prime is 22765151. The next prime is 22765177. The reversal of 22765163 is 36156722.

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

It is a cyclic number.

It is not a de Polignac number, because 22765163 - 2¹⁴ = 22748779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22765133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110408 + ... + 110613.

It is an arithmetic number, because the mean of its divisors is an integer number (5746572).

Almost surely, 2^22765163 is an apocalyptic number.

22765163 is a deficient number, since it is larger than the sum of its proper divisors (221125).

22765163 is a wasteful number, since it uses less digits than its factorization.

22765163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221124.

The product of its digits is 15120, while the sum is 32.

The square root of 22765163 is about 4771.2852566159. The cubic root of 22765163 is about 283.4154934358.

The spelling of 22765163 in words is "twenty-two million, seven hundred sixty-five thousand, one hundred sixty-three".