27228163 has 4 divisors (see below), whose sum is σ = 27257688. Its totient is φ = 27198640.

The previous prime is 27228151. The next prime is 27228209. The reversal of 27228163 is 36182272.

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 27228163 - 2²¹ = 25131011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27228133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13333 + ... + 15238.

It is an arithmetic number, because the mean of its divisors is an integer number (6814422).

Almost surely, 2^27228163 is an apocalyptic number.

27228163 is a deficient number, since it is larger than the sum of its proper divisors (29525).

27228163 is an equidigital number, since it uses as much as digits as its factorization.

27228163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29524.

The product of its digits is 8064, while the sum is 31.

The square root of 27228163 is about 5218.0612299972. The cubic root of 27228163 is about 300.8426789061.

The spelling of 27228163 in words is "twenty-seven million, two hundred twenty-eight thousand, one hundred sixty-three".