224431243 has 2 divisors, whose sum is σ = 224431244. Its totient is φ = 224431242.

The previous prime is 224431241. The next prime is 224431271. The reversal of 224431243 is 342134422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224431243 - 2¹ = 224431241 is a prime.

Together with 224431241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (224431241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112215621 + 112215622.

It is an arithmetic number, because the mean of its divisors is an integer number (112215622).

Almost surely, 2^224431243 is an apocalyptic number.

224431243 is a deficient number, since it is larger than the sum of its proper divisors (1).

224431243 is an equidigital number, since it uses as much as digits as its factorization.

224431243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 224431243 is about 14981.0294372583. The cubic root of 224431243 is about 607.7072789836.

Adding to 224431243 its reverse (342134422), we get a palindrome (566565665).

The spelling of 224431243 in words is "two hundred twenty-four million, four hundred thirty-one thousand, two hundred forty-three".