6000221 has 2 divisors, whose sum is σ = 6000222. Its totient is φ = 6000220.

The previous prime is 6000199. The next prime is 6000229. The reversal of 6000221 is 1220006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5736025 + 264196 = 2395^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 6000221 - 2⁶ = 6000157 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 (6000229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000110 + 3000111.

It is an arithmetic number, because the mean of its divisors is an integer number (3000111).

Almost surely, 2^6000221 is an apocalyptic number.

It is an amenable number.

6000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6000221 is an equidigital number, since it uses as much as digits as its factorization.

6000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 6000221 is about 2449.5348538039. The cubic root of 6000221 is about 181.7142902761.

Adding to 6000221 its reverse (1220006), we get a palindrome (7220227).

The spelling of 6000221 in words is "six million, two hundred twenty-one", and thus it is an aban number.