224443 has 2 divisors, whose sum is σ = 224444. Its totient is φ = 224442.

The previous prime is 224429. The next prime is 224449. The reversal of 224443 is 344422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224443 - 2¹⁷ = 93371 is a prime.

224443 is a lucky number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 224443.

It is not a weakly prime, because it can be changed into another prime (224449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112221 + 112222.

It is an arithmetic number, because the mean of its divisors is an integer number (112222).

2²²⁴⁴⁴³ is an apocalyptic number.

224443 is a deficient number, since it is larger than the sum of its proper divisors (1).

224443 is an equidigital number, since it uses as much as digits as its factorization.

224443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 19.

The square root of 224443 is about 473.7541556546. The cubic root of 224443 is about 60.7717890533.

Adding to 224443 its reverse (344422), we get a palindrome (568865).

It can be divided in two parts, 22 and 4443, that added together give a triangular number (4465 = T₉₄).

The spelling of 224443 in words is "two hundred twenty-four thousand, four hundred forty-three", and thus it is an iban number.