3008221 has 2 divisors, whose sum is σ = 3008222. Its totient is φ = 3008220.

The previous prime is 3008219. The next prime is 3008267. The reversal of 3008221 is 1228003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 403225 = 1614^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 3008221 - 2¹ = 3008219 is a prime.

Together with 3008219, it forms a pair of twin primes.

3008221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3008195 and 3008204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3008281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1504110 + 1504111.

It is an arithmetic number, because the mean of its divisors is an integer number (1504111).

Almost surely, 2^3008221 is an apocalyptic number.

It is an amenable number.

3008221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3008221 is an equidigital number, since it uses as much as digits as its factorization.

3008221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3008221 is about 1734.4223822357. The cubic root of 3008221 is about 144.3565783608.

It can be divided in two parts, 30082 and 21, that added together give a palindrome (30103).

The spelling of 3008221 in words is "three million, eight thousand, two hundred twenty-one".