12230228 has 24 divisors (see below), whose sum is σ = 22528800. Its totient is φ = 5800928.

The previous prime is 12230221. The next prime is 12230233. The reversal of 12230228 is 82203221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230221) by changing a digit.

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, 5951 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (938700).

Almost surely, 2^12230228 is an apocalyptic number.

It is an amenable number.

12230228 is a deficient number, since it is larger than the sum of its proper divisors (10298572).

12230228 is a wasteful number, since it uses less digits than its factorization.

12230228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12230228 is about 3497.1742879073. The cubic root of 12230228 is about 230.3977239439.

Adding to 12230228 its reverse (82203221), we get a palindrome (94433449).

The spelling of 12230228 in words is "twelve million, two hundred thirty thousand, two hundred twenty-eight".