8046221 has 2 divisors, whose sum is σ = 8046222. Its totient is φ = 8046220.

The previous prime is 8046197. The next prime is 8046239. The reversal of 8046221 is 1226408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7672900 + 373321 = 2770^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 8046221 - 2¹⁰ = 8045197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8046281) 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 as a sum of consecutive naturals, namely, 4023110 + 4023111.

It is an arithmetic number, because the mean of its divisors is an integer number (4023111).

Almost surely, 2^8046221 is an apocalyptic number.

It is an amenable number.

8046221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8046221 is an equidigital number, since it uses as much as digits as its factorization.

8046221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8046221 is about 2836.5861524022. The cubic root of 8046221 is about 200.3844355730.

The spelling of 8046221 in words is "eight million, forty-six thousand, two hundred twenty-one".