11228189 has 8 divisors (see below), whose sum is σ = 12854400. Its totient is φ = 9607536.

The previous prime is 11228171. The next prime is 11228207. The reversal of 11228189 is 98182211.

11228189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11228171) and next prime (11228207).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11228189 - 2²⁰ = 10179613 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 (11228089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787 + ... + 6735.

It is an arithmetic number, because the mean of its divisors is an integer number (1606800).

Almost surely, 2^11228189 is an apocalyptic number.

It is an amenable number.

11228189 is a deficient number, since it is larger than the sum of its proper divisors (1626211).

11228189 is an equidigital number, since it uses as much as digits as its factorization.

11228189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its digits is 2304, while the sum is 32.

The square root of 11228189 is about 3350.8489968962. The cubic root of 11228189 is about 223.9253378401.

The spelling of 11228189 in words is "eleven million, two hundred twenty-eight thousand, one hundred eighty-nine".