320219 has 2 divisors, whose sum is σ = 320220. Its totient is φ = 320218.

The previous prime is 320213. The next prime is 320237. The reversal of 320219 is 912023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320219 is a prime.

It is a super-2 number, since 2×320219² = 205080415922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320197 and 320206.

It is not a weakly prime, because it can be changed into another prime (320213) 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, 160109 + 160110.

It is an arithmetic number, because the mean of its divisors is an integer number (160110).

2³²⁰²¹⁹ is an apocalyptic number.

320219 is a deficient number, since it is larger than the sum of its proper divisors (1).

320219 is an equidigital number, since it uses as much as digits as its factorization.

320219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 320219 is about 565.8789623232. The cubic root of 320219 is about 68.4146378394.

The spelling of 320219 in words is "three hundred twenty thousand, two hundred nineteen".