12224203 has 4 divisors (see below), whose sum is σ = 12240088. Its totient is φ = 12208320.

The previous prime is 12224189. The next prime is 12224209. The reversal of 12224203 is 30242221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30242221 = 73 ⋅414277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12224203 is a prime.

It is a super-2 number, since 2×12224203² = 298862277970418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6726 + ... + 8347.

It is an arithmetic number, because the mean of its divisors is an integer number (3060022).

Almost surely, 2^12224203 is an apocalyptic number.

12224203 is a deficient number, since it is larger than the sum of its proper divisors (15885).

12224203 is an equidigital number, since it uses as much as digits as its factorization.

12224203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15884.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12224203 is about 3496.3127720500. The cubic root of 12224203 is about 230.3598839762.

Adding to 12224203 its reverse (30242221), we get a palindrome (42466424).

The spelling of 12224203 in words is "twelve million, two hundred twenty-four thousand, two hundred three".