8226857 has 2 divisors, whose sum is σ = 8226858. Its totient is φ = 8226856.

The previous prime is 8226821. The next prime is 8226899. The reversal of 8226857 is 7586228.

8226857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 958441 = 2696^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 8226857 - 2¹⁸ = 7964713 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8226857.

It is not a weakly prime, because it can be changed into another prime (8229857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113428 + 4113429.

It is an arithmetic number, because the mean of its divisors is an integer number (4113429).

Almost surely, 2^8226857 is an apocalyptic number.

It is an amenable number.

8226857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8226857 is an equidigital number, since it uses as much as digits as its factorization.

8226857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 8226857 is about 2868.2498147825. The cubic root of 8226857 is about 201.8728818227.

The spelling of 8226857 in words is "eight million, two hundred twenty-six thousand, eight hundred fifty-seven".