6798221 has 8 divisors (see below), whose sum is σ = 7011840. Its totient is φ = 6587568.

The previous prime is 6798203. The next prime is 6798223. The reversal of 6798221 is 1228976.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6798221 - 2¹⁸ = 6536077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6798223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4460 + ... + 5786.

It is an arithmetic number, because the mean of its divisors is an integer number (876480).

Almost surely, 2^6798221 is an apocalyptic number.

It is an amenable number.

6798221 is a deficient number, since it is larger than the sum of its proper divisors (213619).

6798221 is a wasteful number, since it uses less digits than its factorization.

6798221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its digits is 12096, while the sum is 35.

The square root of 6798221 is about 2607.3398320894. The cubic root of 6798221 is about 189.4371245237.

The spelling of 6798221 in words is "six million, seven hundred ninety-eight thousand, two hundred twenty-one".