12203225 has 24 divisors (see below), whose sum is σ = 16635840. Its totient is φ = 8838720.

The previous prime is 12203207. The next prime is 12203231. The reversal of 12203225 is 52230221.

It is not a de Polignac number, because 12203225 - 2⁸ = 12202969 is a prime.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 10367 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (693160).

Almost surely, 2^12203225 is an apocalyptic number.

It is an amenable number.

12203225 is a deficient number, since it is larger than the sum of its proper divisors (4432615).

12203225 is a wasteful number, since it uses less digits than its factorization.

12203225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12203225 is about 3493.3114662165. The cubic root of 12203225 is about 230.2280347086.

Adding to 12203225 its reverse (52230221), we get a palindrome (64433446).

The spelling of 12203225 in words is "twelve million, two hundred three thousand, two hundred twenty-five".