2019223 has 2 divisors, whose sum is σ = 2019224. Its totient is φ = 2019222.

The previous prime is 2019217. The next prime is 2019257. The reversal of 2019223 is 3229102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2019223 - 2⁵ = 2019191 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2019223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2019023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009611 + 1009612.

It is an arithmetic number, because the mean of its divisors is an integer number (1009612).

2^2019223 is an apocalyptic number.

2019223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019223 is an equidigital number, since it uses as much as digits as its factorization.

2019223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2019223 is about 1420.9936664180. The cubic root of 2019223 is about 126.3944763048.

The spelling of 2019223 in words is "two million, nineteen thousand, two hundred twenty-three".