244420417 has 2 divisors, whose sum is σ = 244420418. Its totient is φ = 244420416.

The previous prime is 244420403. The next prime is 244420459. The reversal of 244420417 is 714024442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183439936 + 60980481 = 13544^2 + 7809^2 .

It is a cyclic number.

It is not a de Polignac number, because 244420417 - 2⁷ = 244420289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (284420417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122210208 + 122210209.

It is an arithmetic number, because the mean of its divisors is an integer number (122210209).

Almost surely, 2^244420417 is an apocalyptic number.

It is an amenable number.

244420417 is a deficient number, since it is larger than the sum of its proper divisors (1).

244420417 is an equidigital number, since it uses as much as digits as its factorization.

244420417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 244420417 is about 15633.9507802730. The cubic root of 244420417 is about 625.2386646911.

Adding to 244420417 its reverse (714024442), we get a palindrome (958444859).

The spelling of 244420417 in words is "two hundred forty-four million, four hundred twenty thousand, four hundred seventeen".