2217329 has 2 divisors, whose sum is σ = 2217330. Its totient is φ = 2217328.

The previous prime is 2217317. The next prime is 2217343. The reversal of 2217329 is 9237122.

2217329 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., 1311025 + 906304 = 1145^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 2217329 - 2⁸ = 2217073 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2217298 and 2217307.

It is not a weakly prime, because it can be changed into another prime (2217349) 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, 1108664 + 1108665.

It is an arithmetic number, because the mean of its divisors is an integer number (1108665).

2^2217329 is an apocalyptic number.

It is an amenable number.

2217329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2217329 is an equidigital number, since it uses as much as digits as its factorization.

2217329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 2217329 is about 1489.0698438958. The cubic root of 2217329 is about 130.3997360641.

The spelling of 2217329 in words is "two million, two hundred seventeen thousand, three hundred twenty-nine".