12228544 has 14 divisors (see below), whose sum is σ = 24266144. Its totient is φ = 6114240.

The previous prime is 12228529. The next prime is 12228551. The reversal of 12228544 is 44582221.

12228544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 95472 + ... + 95599.

It is an arithmetic number, because the mean of its divisors is an integer number (1733296).

Almost surely, 2^12228544 is an apocalyptic number.

It is an amenable number.

12228544 is a deficient number, since it is larger than the sum of its proper divisors (12037600).

12228544 is an equidigital number, since it uses as much as digits as its factorization.

12228544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191083 (or 191073 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 12228544 is about 3496.9335138089. The cubic root of 12228544 is about 230.3871488460.

The spelling of 12228544 in words is "twelve million, two hundred twenty-eight thousand, five hundred forty-four".