2216323 has 2 divisors, whose sum is σ = 2216324. Its totient is φ = 2216322.

The previous prime is 2216321. The next prime is 2216351. The reversal of 2216323 is 3236122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2216323 - 2¹ = 2216321 is a prime.

Together with 2216321, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2⁶ + 2¹⁰ + 1 + 6⁸ + 3⁴ + 2¹² + 3¹² .

2216323 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216323.

It is not a weakly prime, because it can be changed into another prime (2216321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108161 + 1108162.

It is an arithmetic number, because the mean of its divisors is an integer number (1108162).

2^2216323 is an apocalyptic number.

2216323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216323 is an equidigital number, since it uses as much as digits as its factorization.

2216323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 2216323 is about 1488.7320108065. The cubic root of 2216323 is about 130.3800123366.

The spelling of 2216323 in words is "two million, two hundred sixteen thousand, three hundred twenty-three".