244440223 has 2 divisors, whose sum is σ = 244440224. Its totient is φ = 244440222.

The previous prime is 244440221. The next prime is 244440233. The reversal of 244440223 is 322044442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244440223 - 2¹ = 244440221 is a prime.

Together with 244440221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244440221) 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 as a sum of consecutive naturals, namely, 122220111 + 122220112.

It is an arithmetic number, because the mean of its divisors is an integer number (122220112).

Almost surely, 2^244440223 is an apocalyptic number.

244440223 is a deficient number, since it is larger than the sum of its proper divisors (1).

244440223 is an equidigital number, since it uses as much as digits as its factorization.

244440223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 244440223 is about 15634.5841965816. The cubic root of 244440223 is about 625.2555524545.

Adding to 244440223 its reverse (322044442), we get a palindrome (566484665).

The spelling of 244440223 in words is "two hundred forty-four million, four hundred forty thousand, two hundred twenty-three".