224312243 has 2 divisors, whose sum is σ = 224312244. Its totient is φ = 224312242.

The previous prime is 224312227. The next prime is 224312269. The reversal of 224312243 is 342213422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224312243 - 2⁴ = 224312227 is a prime.

It is equal to p_12347141 and since 224312243 and 12347141 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (224312293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112156121 + 112156122.

It is an arithmetic number, because the mean of its divisors is an integer number (112156122).

Almost surely, 2^224312243 is an apocalyptic number.

224312243 is a deficient number, since it is larger than the sum of its proper divisors (1).

224312243 is an equidigital number, since it uses as much as digits as its factorization.

224312243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 224312243 is about 14977.0572209630. The cubic root of 224312243 is about 607.5998519448.

Adding to 224312243 its reverse (342213422), we get a palindrome (566525665).

The spelling of 224312243 in words is "two hundred twenty-four million, three hundred twelve thousand, two hundred forty-three".