244442311 has 4 divisors (see below), whose sum is σ = 248449624. Its totient is φ = 240435000.

The previous prime is 244442299. The next prime is 244442339. The reversal of 244442311 is 113244442.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244442311 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 (244442411) 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, 2003565 + ... + 2003686.

It is an arithmetic number, because the mean of its divisors is an integer number (62112406).

Almost surely, 2^244442311 is an apocalyptic number.

244442311 is a deficient number, since it is larger than the sum of its proper divisors (4007313).

244442311 is an equidigital number, since it uses as much as digits as its factorization.

244442311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007312.

The product of its digits is 3072, while the sum is 25.

The square root of 244442311 is about 15634.6509714800. The cubic root of 244442311 is about 625.2573327532.

Adding to 244442311 its reverse (113244442), we get a palindrome (357686753).

The spelling of 244442311 in words is "two hundred forty-four million, four hundred forty-two thousand, three hundred eleven".