224444443 has 4 divisors (see below), whose sum is σ = 224533080. Its totient is φ = 224355808.

The previous prime is 224444393. The next prime is 224444449. The reversal of 224444443 is 344444422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224444443 - 2¹⁷ = 224313371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224444449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40405 + ... + 45622.

It is an arithmetic number, because the mean of its divisors is an integer number (56133270).

Almost surely, 2^224444443 is an apocalyptic number.

224444443 is a deficient number, since it is larger than the sum of its proper divisors (88637).

224444443 is an equidigital number, since it uses as much as digits as its factorization.

224444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88636.

The product of its digits is 49152, while the sum is 31.

The square root of 224444443 is about 14981.4699879551. The cubic root of 224444443 is about 607.7191929202.

Adding to 224444443 its reverse (344444422), we get a palindrome (568888865).

The spelling of 224444443 in words is "two hundred twenty-four million, four hundred forty-four thousand, four hundred forty-three".