12228574 has 16 divisors (see below), whose sum is σ = 18941328. Its totient is φ = 5916672.

The previous prime is 12228563. The next prime is 12228577. The reversal of 12228574 is 47582221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18697 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (1183833).

Almost surely, 2^12228574 is an apocalyptic number.

12228574 is a deficient number, since it is larger than the sum of its proper divisors (6712754).

12228574 is a wasteful number, since it uses less digits than its factorization.

12228574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its digits is 8960, while the sum is 31.

The square root of 12228574 is about 3496.9378032787. The cubic root of 12228574 is about 230.3873372469.

The spelling of 12228574 in words is "twelve million, two hundred twenty-eight thousand, five hundred seventy-four".