12226328 has 8 divisors (see below), whose sum is σ = 22924380. Its totient is φ = 6113160.

The previous prime is 12226327. The next prime is 12226337. The reversal of 12226328 is 82362221.

12226328 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 (8).

It is a junction number, because it is equal to n+sod(n) for n = 12226297 and 12226306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764138 + ... + 764153.

Almost surely, 2^12226328 is an apocalyptic number.

It is an amenable number.

12226328 is a deficient number, since it is larger than the sum of its proper divisors (10698052).

12226328 is a wasteful number, since it uses less digits than its factorization.

12226328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528297 (or 1528293 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12226328 is about 3496.6166504208. The cubic root of 12226328 is about 230.3732314419.

Adding to 12226328 its reverse (82362221), we get a palindrome (94588549).

The spelling of 12226328 in words is "twelve million, two hundred twenty-six thousand, three hundred twenty-eight".