22045163 has 4 divisors (see below), whose sum is σ = 25194480. Its totient is φ = 18895848.

The previous prime is 22045159. The next prime is 22045171. The reversal of 22045163 is 36154022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22045163 - 2² = 22045159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22045963) 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, 1574648 + ... + 1574661.

It is an arithmetic number, because the mean of its divisors is an integer number (6298620).

Almost surely, 2^22045163 is an apocalyptic number.

22045163 is a deficient number, since it is larger than the sum of its proper divisors (3149317).

22045163 is an equidigital number, since it uses as much as digits as its factorization.

22045163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149316.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22045163 is about 4695.2276835101. The cubic root of 22045163 is about 280.3955421645.

Adding to 22045163 its reverse (36154022), we get a palindrome (58199185).

The spelling of 22045163 in words is "twenty-two million, forty-five thousand, one hundred sixty-three".