22621163 has 2 divisors, whose sum is σ = 22621164. Its totient is φ = 22621162.

The previous prime is 22621141. The next prime is 22621187. The reversal of 22621163 is 36112622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22621163 - 2¹⁶ = 22555627 is a prime.

It is not a weakly prime, because it can be changed into another prime (22621063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310581 + 11310582.

It is an arithmetic number, because the mean of its divisors is an integer number (11310582).

Almost surely, 2^22621163 is an apocalyptic number.

22621163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22621163 is an equidigital number, since it uses as much as digits as its factorization.

22621163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 22621163 is about 4756.1710440227. The cubic root of 22621163 is about 282.8166517486.

Adding to 22621163 its reverse (36112622), we get a palindrome (58733785).

The spelling of 22621163 in words is "twenty-two million, six hundred twenty-one thousand, one hundred sixty-three".