244243117 has 2 divisors, whose sum is σ = 244243118. Its totient is φ = 244243116.

The previous prime is 244243099. The next prime is 244243151. The reversal of 244243117 is 711342442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238980681 + 5262436 = 15459^2 + 2294^2 .

It is a cyclic number.

It is not a de Polignac number, because 244243117 - 2⁷ = 244242989 is a prime.

It is equal to p_13381174 and since 244243117 and 13381174 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244243217) 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, 122121558 + 122121559.

It is an arithmetic number, because the mean of its divisors is an integer number (122121559).

Almost surely, 2^244243117 is an apocalyptic number.

It is an amenable number.

244243117 is a deficient number, since it is larger than the sum of its proper divisors (1).

244243117 is an equidigital number, since it uses as much as digits as its factorization.

244243117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 244243117 is about 15628.2793998572. The cubic root of 244243117 is about 625.0874476041.

Adding to 244243117 its reverse (711342442), we get a palindrome (955585559).

The spelling of 244243117 in words is "two hundred forty-four million, two hundred forty-three thousand, one hundred seventeen".