12228204 has 24 divisors (see below), whose sum is σ = 29304688. Its totient is φ = 3965760.

The previous prime is 12228197. The next prime is 12228217. The reversal of 12228204 is 40282221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13327 + ... + 14214.

Almost surely, 2^12228204 is an apocalyptic number.

It is an amenable number.

12228204 is an abundant number, since it is smaller than the sum of its proper divisors (17076484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12228204 is a wasteful number, since it uses less digits than its factorization.

12228204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27585 (or 27583 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 12228204 is about 3496.8848994498. The cubic root of 12228204 is about 230.3850136134.

The spelling of 12228204 in words is "twelve million, two hundred twenty-eight thousand, two hundred four".