22545163 has 2 divisors, whose sum is σ = 22545164. Its totient is φ = 22545162.

The previous prime is 22545143. The next prime is 22545169. The reversal of 22545163 is 36154522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22545163 - 2⁹ = 22544651 is a prime.

It is not a weakly prime, because it can be changed into another prime (22545169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272581 + 11272582.

It is an arithmetic number, because the mean of its divisors is an integer number (11272582).

Almost surely, 2^22545163 is an apocalyptic number.

22545163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22545163 is an equidigital number, since it uses as much as digits as its factorization.

22545163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 22545163 is about 4748.1747019249. The cubic root of 22545163 is about 282.4995713571.

Adding to 22545163 its reverse (36154522), we get a palindrome (58699685).

The spelling of 22545163 in words is "twenty-two million, five hundred forty-five thousand, one hundred sixty-three".