2718223 has 2 divisors, whose sum is σ = 2718224. Its totient is φ = 2718222.

The previous prime is 2718203. The next prime is 2718227. The reversal of 2718223 is 3228172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2718223 - 2⁹ = 2717711 is a prime.

2718223 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2718227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359111 + 1359112.

It is an arithmetic number, because the mean of its divisors is an integer number (1359112).

2^2718223 is an apocalyptic number.

2718223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2718223 is an equidigital number, since it uses as much as digits as its factorization.

2718223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 2718223 is about 1648.7034299716. The cubic root of 2718223 is about 139.5602357167.

The spelling of 2718223 in words is "two million, seven hundred eighteen thousand, two hundred twenty-three".