27227189 has 4 divisors (see below), whose sum is σ = 29702400. Its totient is φ = 24751980.

The previous prime is 27227177. The next prime is 27227191. The reversal of 27227189 is 98172272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-27227189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27227129) 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, 1237589 + ... + 1237610.

It is an arithmetic number, because the mean of its divisors is an integer number (7425600).

Almost surely, 2^27227189 is an apocalyptic number.

It is an amenable number.

27227189 is a deficient number, since it is larger than the sum of its proper divisors (2475211).

27227189 is a wasteful number, since it uses less digits than its factorization.

27227189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475210.

The product of its digits is 28224, while the sum is 38.

The square root of 27227189 is about 5217.9678994796. The cubic root of 27227189 is about 300.8390916367.

The spelling of 27227189 in words is "twenty-seven million, two hundred twenty-seven thousand, one hundred eighty-nine".