22305163 has 2 divisors, whose sum is σ = 22305164. Its totient is φ = 22305162.

The previous prime is 22305161. The next prime is 22305169. The reversal of 22305163 is 36150322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22305163 - 2¹ = 22305161 is a prime.

Together with 22305161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22305161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11152581 + 11152582.

It is an arithmetic number, because the mean of its divisors is an integer number (11152582).

Almost surely, 2^22305163 is an apocalyptic number.

22305163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22305163 is an equidigital number, since it uses as much as digits as its factorization.

22305163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 22305163 is about 4722.8342126312. The cubic root of 22305163 is about 281.4935623147.

Adding to 22305163 its reverse (36150322), we get a palindrome (58455485).

The spelling of 22305163 in words is "twenty-two million, three hundred five thousand, one hundred sixty-three".