12224361 has 8 divisors (see below), whose sum is σ = 16522720. Its totient is φ = 8037792.

The previous prime is 12224357. The next prime is 12224383. The reversal of 12224361 is 16342221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12224361 - 2² = 12224357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224321) 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 7 ways as a sum of consecutive naturals, for example, 27691 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (2065340).

Almost surely, 2^12224361 is an apocalyptic number.

It is an amenable number.

12224361 is a deficient number, since it is larger than the sum of its proper divisors (4298359).

12224361 is an equidigital number, since it uses as much as digits as its factorization.

12224361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55895.

The product of its digits is 576, while the sum is 21.

The square root of 12224361 is about 3496.3353672095. The cubic root of 12224361 is about 230.3608764527.

Adding to 12224361 its reverse (16342221), we get a palindrome (28566582).

The spelling of 12224361 in words is "twelve million, two hundred twenty-four thousand, three hundred sixty-one".