6822216 has 48 divisors (see below), whose sum is σ = 19453200. Its totient is φ = 2153952.

The previous prime is 6822209. The next prime is 6822217. The reversal of 6822216 is 6122286.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6822216.

It is not an unprimeable number, because it can be changed into a prime (6822217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (405275).

Almost surely, 2^6822216 is an apocalyptic number.

It is an amenable number.

6822216 is an abundant number, since it is smaller than the sum of its proper divisors (12630984).

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

6822216 is a wasteful number, since it uses less digits than its factorization.

6822216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018 (or 5011 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 6822216 is about 2611.9372121091. The cubic root of 6822216 is about 189.6597418958.

The spelling of 6822216 in words is "six million, eight hundred twenty-two thousand, two hundred sixteen".