2219323 has 2 divisors, whose sum is σ = 2219324. Its totient is φ = 2219322.

The previous prime is 2219309. The next prime is 2219351. The reversal of 2219323 is 3239122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2219323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2219294 and 2219303.

It is not a weakly prime, because it can be changed into another prime (2219353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109661 + 1109662.

It is an arithmetic number, because the mean of its divisors is an integer number (1109662).

2^2219323 is an apocalyptic number.

2219323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219323 is an equidigital number, since it uses as much as digits as its factorization.

2219323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 2219323 is about 1489.7392389274. The cubic root of 2219323 is about 130.4388129850.

The spelling of 2219323 in words is "two million, two hundred nineteen thousand, three hundred twenty-three".