6682224 has 80 divisors (see below), whose sum is σ = 19284480. Its totient is φ = 1981440.

The previous prime is 6682223. The next prime is 6682231. The reversal of 6682224 is 4222866.

It is a Cunningham number, because it is equal to 2585²-1.

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

It is a junction number, because it is equal to n+sod(n) for n = 6682191 and 6682200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15289 + ... + 15719.

It is an arithmetic number, because the mean of its divisors is an integer number (241056).

Almost surely, 2^6682224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6682224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9642240).

6682224 is an abundant number, since it is smaller than the sum of its proper divisors (12602256).

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

6682224 is a wasteful number, since it uses less digits than its factorization.

6682224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 6682224 is about 2584.9998065764. Note that the first 3 decimals coincide. The cubic root of 6682224 is about 188.3534921556.

The spelling of 6682224 in words is "six million, six hundred eighty-two thousand, two hundred twenty-four".