22791163 has 2 divisors, whose sum is σ = 22791164. Its totient is φ = 22791162.

The previous prime is 22791151. The next prime is 22791179. The reversal of 22791163 is 36119722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22791163 is a prime.

It is a super-2 number, since 2×22791163² = 1038874221785138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22791103) 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 as a sum of consecutive naturals, namely, 11395581 + 11395582.

It is an arithmetic number, because the mean of its divisors is an integer number (11395582).

Almost surely, 2^22791163 is an apocalyptic number.

22791163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22791163 is an equidigital number, since it uses as much as digits as its factorization.

22791163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 22791163 is about 4774.0091118472. The cubic root of 22791163 is about 283.5233482798.

The spelling of 22791163 in words is "twenty-two million, seven hundred ninety-one thousand, one hundred sixty-three".