844322113 has 2 divisors, whose sum is σ = 844322114. Its totient is φ = 844322112.

The previous prime is 844322099. The next prime is 844322123. The reversal of 844322113 is 311223448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 759994624 + 84327489 = 27568^2 + 9183^2 .

It is a cyclic number.

It is not a de Polignac number, because 844322113 - 2⁵ = 844322081 is a prime.

It is a super-3 number, since 3×844322113³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (844322123) 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, 422161056 + 422161057.

It is an arithmetic number, because the mean of its divisors is an integer number (422161057).

Almost surely, 2^844322113 is an apocalyptic number.

It is an amenable number.

844322113 is a deficient number, since it is larger than the sum of its proper divisors (1).

844322113 is an equidigital number, since it uses as much as digits as its factorization.

844322113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 844322113 is about 29057.2213571773. The cubic root of 844322113 is about 945.1543146371.

The spelling of 844322113 in words is "eight hundred forty-four million, three hundred twenty-two thousand, one hundred thirteen".