22155163 has 2 divisors, whose sum is σ = 22155164. Its totient is φ = 22155162.

The previous prime is 22155157. The next prime is 22155167. The reversal of 22155163 is 36155122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22155163 - 2¹⁷ = 22024091 is a prime.

It is not a weakly prime, because it can be changed into another prime (22155167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11077581 + 11077582.

It is an arithmetic number, because the mean of its divisors is an integer number (11077582).

Almost surely, 2^22155163 is an apocalyptic number.

22155163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22155163 is an equidigital number, since it uses as much as digits as its factorization.

22155163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 22155163 is about 4706.9271292426. The cubic root of 22155163 is about 280.8611371318.

The spelling of 22155163 in words is "twenty-two million, one hundred fifty-five thousand, one hundred sixty-three".