8222947 has 2 divisors, whose sum is σ = 8222948. Its totient is φ = 8222946.

The previous prime is 8222941. The next prime is 8222957. The reversal of 8222947 is 7492228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8222947 - 2¹¹ = 8220899 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8222941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111473 + 4111474.

It is an arithmetic number, because the mean of its divisors is an integer number (4111474).

Almost surely, 2^8222947 is an apocalyptic number.

8222947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222947 is an equidigital number, since it uses as much as digits as its factorization.

8222947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 8222947 is about 2867.5681334539. The cubic root of 8222947 is about 201.8408952026.

The spelling of 8222947 in words is "eight million, two hundred twenty-two thousand, nine hundred forty-seven".