6806224 has 20 divisors (see below), whose sum is σ = 13544644. Its totient is φ = 3310848.

The previous prime is 6806221. The next prime is 6806231. The reversal of 6806224 is 4226086.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 1607824 = 2280^2 + 1268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6806192 and 6806201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6806221) 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 3 ways as a sum of consecutive naturals, for example, 5157 + ... + 6340.

Almost surely, 2^6806224 is an apocalyptic number.

It is an amenable number.

6806224 is a deficient number, since it is larger than the sum of its proper divisors (6738420).

6806224 is a wasteful number, since it uses less digits than its factorization.

6806224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542 (or 11536 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 6806224 is about 2608.8740866512. The cubic root of 6806224 is about 189.5114317472.

It can be divided in two parts, 68062 and 24, that added together give a palindrome (68086).

The spelling of 6806224 in words is "six million, eight hundred six thousand, two hundred twenty-four".