12224456 has 16 divisors (see below), whose sum is σ = 22980300. Its totient is φ = 6096384.

The previous prime is 12224413. The next prime is 12224473. The reversal of 12224456 is 65442221.

12224456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 2402500 = 3134^2 + 1550^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700 + ... + 5228.

Almost surely, 2^12224456 is an apocalyptic number.

It is an amenable number.

12224456 is a deficient number, since it is larger than the sum of its proper divisors (10755844).

12224456 is a wasteful number, since it uses less digits than its factorization.

12224456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968 (or 3964 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 12224456 is about 3496.3489528364. The cubic root of 12224456 is about 230.3614731909.

Adding to 12224456 its reverse (65442221), we get a palindrome (77666677).

The spelling of 12224456 in words is "twelve million, two hundred twenty-four thousand, four hundred fifty-six".