244042223 has 4 divisors (see below), whose sum is σ = 244231680. Its totient is φ = 243852768.

The previous prime is 244042219. The next prime is 244042229. The reversal of 244042223 is 322240442.

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 244042223 - 2² = 244042219 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 (244042229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92783 + ... + 95376.

It is an arithmetic number, because the mean of its divisors is an integer number (61057920).

Almost surely, 2^244042223 is an apocalyptic number.

244042223 is a deficient number, since it is larger than the sum of its proper divisors (189457).

244042223 is a wasteful number, since it uses less digits than its factorization.

244042223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189456.

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

The square root of 244042223 is about 15621.8508186450. The cubic root of 244042223 is about 624.9160190093.

Adding to 244042223 its reverse (322240442), we get a palindrome (566282665).

The spelling of 244042223 in words is "two hundred forty-four million, forty-two thousand, two hundred twenty-three".