12227256 has 24 divisors (see below), whose sum is σ = 33115680. Its totient is φ = 4075728.

The previous prime is 12227231. The next prime is 12227263. The reversal of 12227256 is 65272221.

12227256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84840 + ... + 84983.

It is an arithmetic number, because the mean of its divisors is an integer number (1379820).

Almost surely, 2^12227256 is an apocalyptic number.

It is an amenable number.

12227256 is an abundant number, since it is smaller than the sum of its proper divisors (20888424).

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

12227256 is a wasteful number, since it uses less digits than its factorization.

12227256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169835 (or 169828 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 12227256 is about 3496.7493476084. The cubic root of 12227256 is about 230.3790598735.

Adding to 12227256 its reverse (65272221), we get a palindrome (77499477).

The spelling of 12227256 in words is "twelve million, two hundred twenty-seven thousand, two hundred fifty-six".