2217673 has 2 divisors, whose sum is σ = 2217674. Its totient is φ = 2217672.

The previous prime is 2217671. The next prime is 2217749. The reversal of 2217673 is 3767122.

2217673 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., 2082249 + 135424 = 1443^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2217673 - 2¹ = 2217671 is a prime.

Together with 2217671, it forms a pair of twin primes.

2217673 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2217671) 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, 1108836 + 1108837.

It is an arithmetic number, because the mean of its divisors is an integer number (1108837).

2^2217673 is an apocalyptic number.

It is an amenable number.

2217673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2217673 is an equidigital number, since it uses as much as digits as its factorization.

2217673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 2217673 is about 1489.1853477657. The cubic root of 2217673 is about 130.4064791905.

The spelling of 2217673 in words is "two million, two hundred seventeen thousand, six hundred seventy-three".