2227189 has 4 divisors (see below), whose sum is σ = 2274624. Its totient is φ = 2179756.

The previous prime is 2227163. The next prime is 2227193. The reversal of 2227189 is 9817222.

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 cyclic number.

It is not a de Polignac number, because 2227189 - 2⁷ = 2227061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2227189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227109) 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, 23647 + ... + 23740.

It is an arithmetic number, because the mean of its divisors is an integer number (568656).

2^2227189 is an apocalyptic number.

It is an amenable number.

2227189 is a deficient number, since it is larger than the sum of its proper divisors (47435).

2227189 is an equidigital number, since it uses as much as digits as its factorization.

2227189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47434.

The product of its digits is 4032, while the sum is 31.

The square root of 2227189 is about 1492.3769631028. The cubic root of 2227189 is about 130.5927370852.

It can be divided in two parts, 2227 and 189, that multiplied together give a triangular number (420903 = T₉₁₇).

The spelling of 2227189 in words is "two million, two hundred twenty-seven thousand, one hundred eighty-nine".