12283228 has 6 divisors (see below), whose sum is σ = 21495656. Its totient is φ = 6141612.

The previous prime is 12283189. The next prime is 12283241. The reversal of 12283228 is 82238221.

It is a junction number, because it is equal to n+sod(n) for n = 12283196 and 12283205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1535400 + ... + 1535407.

Almost surely, 2^12283228 is an apocalyptic number.

It is an amenable number.

12283228 is a deficient number, since it is larger than the sum of its proper divisors (9212428).

12283228 is a wasteful number, since it uses less digits than its factorization.

12283228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070811 (or 3070809 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 12283228 is about 3504.7436425508. The cubic root of 12283228 is about 230.7300557888.

The spelling of 12283228 in words is "twelve million, two hundred eighty-three thousand, two hundred twenty-eight".