6822666 has 24 divisors (see below), whose sum is σ = 15260544. Its totient is φ = 2200680.

The previous prime is 6822659. The next prime is 6822703. The reversal of 6822666 is 6662286.

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 6822666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5556 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (635856).

Almost surely, 2^6822666 is an apocalyptic number.

6822666 is an abundant number, since it is smaller than the sum of its proper divisors (8437878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6822666 is a wasteful number, since it uses less digits than its factorization.

6822666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266 (or 12263 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6822666 is about 2612.0233536475. The cubic root of 6822666 is about 189.6639118511.

The spelling of 6822666 in words is "six million, eight hundred twenty-two thousand, six hundred sixty-six".