6669822 has 8 divisors (see below), whose sum is σ = 13339656. Its totient is φ = 2223272.

The previous prime is 6669809. The next prime is 6669827. The reversal of 6669822 is 2289666.

It is a sphenic number, since it is the product of 3 distinct primes.

6669822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555813 + ... + 555824.

It is an arithmetic number, because the mean of its divisors is an integer number (1667457).

Almost surely, 2^6669822 is an apocalyptic number.

6669822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6669822 is a wasteful number, since it uses less digits than its factorization.

6669822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111642.

The product of its digits is 62208, while the sum is 39.

The square root of 6669822 is about 2582.5998528615. The cubic root of 6669822 is about 188.2368939164.

The spelling of 6669822 in words is "six million, six hundred sixty-nine thousand, eight hundred twenty-two".