244442117 has 4 divisors (see below), whose sum is σ = 244478220. Its totient is φ = 244406016.

The previous prime is 244442071. The next prime is 244442141. The reversal of 244442117 is 711244442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 204890596 + 39551521 = 14314^2 + 6289^2 .

It is a cyclic number.

It is not a de Polignac number, because 244442117 - 2¹⁴ = 244425733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244442117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244442147) 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, 4508 + ... + 22565.

It is an arithmetic number, because the mean of its divisors is an integer number (61119555).

Almost surely, 2^244442117 is an apocalyptic number.

It is an amenable number.

244442117 is a deficient number, since it is larger than the sum of its proper divisors (36103).

244442117 is an equidigital number, since it uses as much as digits as its factorization.

244442117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36102.

The product of its digits is 7168, while the sum is 29.

The square root of 244442117 is about 15634.6447673108. The cubic root of 244442117 is about 625.2571673428.

Adding to 244442117 its reverse (711244442), we get a palindrome (955686559).

The spelling of 244442117 in words is "two hundred forty-four million, four hundred forty-two thousand, one hundred seventeen".