22423163 has 4 divisors (see below), whose sum is σ = 25626480. Its totient is φ = 19219848.

The previous prime is 22423133. The next prime is 22423169. The reversal of 22423163 is 36132422.

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 22423163 - 2¹⁰ = 22422139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22423169) 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, 1601648 + ... + 1601661.

It is an arithmetic number, because the mean of its divisors is an integer number (6406620).

Almost surely, 2^22423163 is an apocalyptic number.

22423163 is a deficient number, since it is larger than the sum of its proper divisors (3203317).

22423163 is an equidigital number, since it uses as much as digits as its factorization.

22423163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203316.

The product of its digits is 1728, while the sum is 23.

The square root of 22423163 is about 4735.3102327092. The cubic root of 22423163 is about 281.9890804417.

Adding to 22423163 its reverse (36132422), we get a palindrome (58555585).

The spelling of 22423163 in words is "twenty-two million, four hundred twenty-three thousand, one hundred sixty-three".