22153163 has 4 divisors (see below), whose sum is σ = 23116368. Its totient is φ = 21189960.

The previous prime is 22153147. The next prime is 22153177. The reversal of 22153163 is 36135122.

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 22153163 - 2⁴ = 22153147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 963181 = 22153163 / (2 + 2 + 1 + 5 + 3 + 1 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22153123) 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, 481568 + ... + 481613.

It is an arithmetic number, because the mean of its divisors is an integer number (5779092).

Almost surely, 2^22153163 is an apocalyptic number.

22153163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22153163 is a deficient number, since it is larger than the sum of its proper divisors (963205).

22153163 is an equidigital number, since it uses as much as digits as its factorization.

22153163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963204.

The product of its digits is 1080, while the sum is 23.

The square root of 22153163 is about 4706.7146716154. The cubic root of 22153163 is about 280.8526855401.

Adding to 22153163 its reverse (36135122), we get a palindrome (58288285).

The spelling of 22153163 in words is "twenty-two million, one hundred fifty-three thousand, one hundred sixty-three".