6822247 has 4 divisors (see below), whose sum is σ = 6889896. Its totient is φ = 6754600.

The previous prime is 6822217. The next prime is 6822269. The reversal of 6822247 is 7422286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6822247 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 6⁵ + 8² + 2 + 2¹⁰ + 2²⁰ + 4 + 7⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6822217) 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 in 3 ways as a sum of consecutive naturals, for example, 33673 + ... + 33874.

It is an arithmetic number, because the mean of its divisors is an integer number (1722474).

Almost surely, 2^6822247 is an apocalyptic number.

6822247 is a deficient number, since it is larger than the sum of its proper divisors (67649).

6822247 is a wasteful number, since it uses less digits than its factorization.

6822247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67648.

The product of its digits is 10752, while the sum is 31.

The square root of 6822247 is about 2611.9431463950. The cubic root of 6822247 is about 189.6600291653.

The spelling of 6822247 in words is "six million, eight hundred twenty-two thousand, two hundred forty-seven".