8093221 has 4 divisors (see below), whose sum is σ = 8519200. Its totient is φ = 7667244.

The previous prime is 8093213. The next prime is 8093227. The reversal of 8093221 is 1223908.

8093221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8093221 - 2³ = 8093213 is a prime.

It is a Duffinian number.

8093221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8093227) 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, 212961 + ... + 212998.

It is an arithmetic number, because the mean of its divisors is an integer number (2129800).

Almost surely, 2^8093221 is an apocalyptic number.

It is an amenable number.

8093221 is a deficient number, since it is larger than the sum of its proper divisors (425979).

8093221 is a wasteful number, since it uses less digits than its factorization.

8093221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425978.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8093221 is about 2844.8586959637. The cubic root of 8093221 is about 200.7738436351.

The spelling of 8093221 in words is "eight million, ninety-three thousand, two hundred twenty-one".