22231163 has 4 divisors (see below), whose sum is σ = 22242000. Its totient is φ = 22220328.

The previous prime is 22231151. The next prime is 22231169. The reversal of 22231163 is 36113222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36113222 = 2 ⋅18056611.

It is a cyclic number.

It is not a de Polignac number, because 22231163 - 2⁴ = 22231147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231169) 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, 1295 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (5560500).

Almost surely, 2^22231163 is an apocalyptic number.

22231163 is a deficient number, since it is larger than the sum of its proper divisors (10837).

22231163 is an equidigital number, since it uses as much as digits as its factorization.

22231163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836.

The product of its digits is 432, while the sum is 20.

The square root of 22231163 is about 4714.9934252340. The cubic root of 22231163 is about 281.1819214319.

Adding to 22231163 its reverse (36113222), we get a palindrome (58344385).

The spelling of 22231163 in words is "twenty-two million, two hundred thirty-one thousand, one hundred sixty-three".