22188163 has 2 divisors, whose sum is σ = 22188164. Its totient is φ = 22188162.

The previous prime is 22188119. The next prime is 22188167. The reversal of 22188163 is 36188122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22188163 - 2⁹ = 22187651 is a prime.

It is not a weakly prime, because it can be changed into another prime (22188167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11094081 + 11094082.

It is an arithmetic number, because the mean of its divisors is an integer number (11094082).

Almost surely, 2^22188163 is an apocalyptic number.

22188163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22188163 is an equidigital number, since it uses as much as digits as its factorization.

22188163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 22188163 is about 4710.4312966012. The cubic root of 22188163 is about 281.0005150212. Note that the first 3 decimals are identical.

The spelling of 22188163 in words is "twenty-two million, one hundred eighty-eight thousand, one hundred sixty-three".