13224223 has 2 divisors, whose sum is σ = 13224224. Its totient is φ = 13224222.

The previous prime is 13224221. The next prime is 13224227. The reversal of 13224223 is 32242231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13224223 - 2¹ = 13224221 is a prime.

Together with 13224221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13224223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13224221) 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 as a sum of consecutive naturals, namely, 6612111 + 6612112.

It is an arithmetic number, because the mean of its divisors is an integer number (6612112).

Almost surely, 2^13224223 is an apocalyptic number.

13224223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13224223 is an equidigital number, since it uses as much as digits as its factorization.

13224223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 19.

The square root of 13224223 is about 3636.5124776357. The cubic root of 13224223 is about 236.4776248336.

Adding to 13224223 its reverse (32242231), we get a palindrome (45466454).

The spelling of 13224223 in words is "thirteen million, two hundred twenty-four thousand, two hundred twenty-three".