3027221 has 2 divisors, whose sum is σ = 3027222. Its totient is φ = 3027220.

The previous prime is 3027187. The next prime is 3027263. The reversal of 3027221 is 1227203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 819025 = 1486^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3027221 - 2¹⁰ = 3026197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3027221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3027121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513610 + 1513611.

It is an arithmetic number, because the mean of its divisors is an integer number (1513611).

Almost surely, 2^3027221 is an apocalyptic number.

It is an amenable number.

3027221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3027221 is an equidigital number, since it uses as much as digits as its factorization.

3027221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 3027221 is about 1739.8910885455. The cubic root of 3027221 is about 144.6598606759.

The spelling of 3027221 in words is "three million, twenty-seven thousand, two hundred twenty-one".