22236163 has 4 divisors (see below), whose sum is σ = 22297120. Its totient is φ = 22175208.

The previous prime is 22236139. The next prime is 22236191. The reversal of 22236163 is 36163222.

It is a happy number.

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 22236163 - 2⁵ = 22236131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22236133) 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, 29928 + ... + 30661.

It is an arithmetic number, because the mean of its divisors is an integer number (5574280).

Almost surely, 2^22236163 is an apocalyptic number.

22236163 is a deficient number, since it is larger than the sum of its proper divisors (60957).

22236163 is an equidigital number, since it uses as much as digits as its factorization.

22236163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60956.

The product of its digits is 2592, while the sum is 25.

The square root of 22236163 is about 4715.5236188572. The cubic root of 22236163 is about 281.2030000145.

Adding to 22236163 its reverse (36163222), we get a palindrome (58399385).

The spelling of 22236163 in words is "twenty-two million, two hundred thirty-six thousand, one hundred sixty-three".