224440223 has 4 divisors (see below), whose sum is σ = 256503120. Its totient is φ = 192377328.

The previous prime is 224440201. The next prime is 224440231. The reversal of 224440223 is 322044422.

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 224440223 - 2¹² = 224436127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224440253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16031438 + ... + 16031451.

It is an arithmetic number, because the mean of its divisors is an integer number (64125780).

Almost surely, 2^224440223 is an apocalyptic number.

224440223 is a deficient number, since it is larger than the sum of its proper divisors (32062897).

224440223 is an equidigital number, since it uses as much as digits as its factorization.

224440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32062896.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 224440223 is about 14981.3291466412. The cubic root of 224440223 is about 607.7153841216.

Adding to 224440223 its reverse (322044422), we get a palindrome (546484645).

The spelling of 224440223 in words is "two hundred twenty-four million, four hundred forty thousand, two hundred twenty-three".