2984221 has 2 divisors, whose sum is σ = 2984222. Its totient is φ = 2984220.

The previous prime is 2984209. The next prime is 2984237. The reversal of 2984221 is 1224892.

2984221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 881721 = 1450^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2984221 - 2⁹ = 2983709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2984221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2984281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492110 + 1492111.

It is an arithmetic number, because the mean of its divisors is an integer number (1492111).

2^2984221 is an apocalyptic number.

It is an amenable number.

2984221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2984221 is an equidigital number, since it uses as much as digits as its factorization.

2984221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 2984221 is about 1727.4897973650. The cubic root of 2984221 is about 143.9716540142.

The spelling of 2984221 in words is "two million, nine hundred eighty-four thousand, two hundred twenty-one".