22455163 has 4 divisors (see below), whose sum is σ = 22493128. Its totient is φ = 22417200.

The previous prime is 22455161. The next prime is 22455217. The reversal of 22455163 is 36155422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36155422 = 2 ⋅18077711.

It is a cyclic number.

It is not a de Polignac number, because 22455163 - 2¹ = 22455161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22455161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18081 + ... + 19282.

It is an arithmetic number, because the mean of its divisors is an integer number (5623282).

Almost surely, 2^22455163 is an apocalyptic number.

22455163 is a deficient number, since it is larger than the sum of its proper divisors (37965).

22455163 is an equidigital number, since it uses as much as digits as its factorization.

22455163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37964.

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

The square root of 22455163 is about 4738.6878985643. The cubic root of 22455163 is about 282.1231584846.

The spelling of 22455163 in words is "twenty-two million, four hundred fifty-five thousand, one hundred sixty-three".