8226947 has 2 divisors, whose sum is σ = 8226948. Its totient is φ = 8226946.

The previous prime is 8226941. The next prime is 8226949. The reversal of 8226947 is 7496228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8226947 is a prime.

Together with 8226949, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8226947.

It is not a weakly prime, because it can be changed into another prime (8226941) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113473 + 4113474.

It is an arithmetic number, because the mean of its divisors is an integer number (4113474).

Almost surely, 2^8226947 is an apocalyptic number.

8226947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8226947 is an equidigital number, since it uses as much as digits as its factorization.

8226947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 8226947 is about 2868.2655037496. The cubic root of 8226947 is about 201.8736179683.

The spelling of 8226947 in words is "eight million, two hundred twenty-six thousand, nine hundred forty-seven".