12228774 has 16 divisors (see below), whose sum is σ = 24494400. Its totient is φ = 4070120.

The previous prime is 12228767. The next prime is 12228781. The reversal of 12228774 is 47782221.

12228774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12228767) and next prime (12228781).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4777 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2^12228774 is an apocalyptic number.

12228774 is an abundant number, since it is smaller than the sum of its proper divisors (12265626).

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

12228774 is a wasteful number, since it uses less digits than its factorization.

12228774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075.

The product of its digits is 12544, while the sum is 33.

The square root of 12228774 is about 3496.9663996098. The cubic root of 12228774 is about 230.3885932456.

The spelling of 12228774 in words is "twelve million, two hundred twenty-eight thousand, seven hundred seventy-four".