12228030 has 32 divisors (see below), whose sum is σ = 32608800. Its totient is φ = 3260736.

The previous prime is 12228023. The next prime is 12228031. The reversal of 12228030 is 3082221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12227994 and 12228012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22375 + ... + 22914.

It is an arithmetic number, because the mean of its divisors is an integer number (1019025).

Almost surely, 2^12228030 is an apocalyptic number.

12228030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12228030 is an abundant number, since it is smaller than the sum of its proper divisors (20380770).

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

12228030 is a wasteful number, since it uses less digits than its factorization.

12228030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45305 (or 45299 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12228030 is about 3496.8600200752. The cubic root of 12228030 is about 230.3839208614.

The spelling of 12228030 in words is "twelve million, two hundred twenty-eight thousand, thirty".