12416228 has 24 divisors (see below), whose sum is σ = 24736320. Its totient is φ = 5397920.

The previous prime is 12416221. The next prime is 12416249. The reversal of 12416228 is 82261421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12416197 and 12416206.

It is not an unprimeable number, because it can be changed into a prime (12416221) 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, 5123 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (1030680).

Almost surely, 2^12416228 is an apocalyptic number.

It is an amenable number.

12416228 is a deficient number, since it is larger than the sum of its proper divisors (12320092).

12416228 is a wasteful number, since it uses less digits than its factorization.

12416228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12307 (or 12305 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 12416228 is about 3523.6668400971. Note that the first 3 decimals coincide. The cubic root of 12416228 is about 231.5598322739.

Adding to 12416228 its reverse (82261421), we get a palindrome (94677649).

The spelling of 12416228 in words is "twelve million, four hundred sixteen thousand, two hundred twenty-eight".