12236225 has 6 divisors (see below), whose sum is σ = 15172950. Its totient is φ = 9788960.

The previous prime is 12236219. The next prime is 12236239. The reversal of 12236225 is 52263221.

It can be written as a sum of positive squares in 3 ways, for example, as 97969 + 12138256 = 313^2 + 3484^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12236225 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12236225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244700 + ... + 244749.

It is an arithmetic number, because the mean of its divisors is an integer number (2528825).

Almost surely, 2^12236225 is an apocalyptic number.

It is an amenable number.

12236225 is a deficient number, since it is larger than the sum of its proper divisors (2936725).

12236225 is an equidigital number, since it uses as much as digits as its factorization.

12236225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489459 (or 489454 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 12236225 is about 3498.0315893371. The cubic root of 12236225 is about 230.4353757189.

Adding to 12236225 its reverse (52263221), we get a palindrome (64499446).

The spelling of 12236225 in words is "twelve million, two hundred thirty-six thousand, two hundred twenty-five".