2228188 has 12 divisors (see below), whose sum is σ = 3915352. Its totient is φ = 1109520.

The previous prime is 2228183. The next prime is 2228189. The reversal of 2228188 is 8818222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228183) 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, 103 + ... + 2113.

2^2228188 is an apocalyptic number.

It is an amenable number.

2228188 is a deficient number, since it is larger than the sum of its proper divisors (1687164).

2228188 is a wasteful number, since it uses less digits than its factorization.

2228188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2290 counting only the distinct ones).

The product of its digits is 4096, while the sum is 31.

The square root of 2228188 is about 1492.7116265374. The cubic root of 2228188 is about 130.6122598473.

The spelling of 2228188 in words is "two million, two hundred twenty-eight thousand, one hundred eighty-eight".