2273443 has 2 divisors, whose sum is σ = 2273444. Its totient is φ = 2273442.

The previous prime is 2273431. The next prime is 2273449. The reversal of 2273443 is 3443722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2273443 - 2⁹ = 2272931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2273449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136721 + 1136722.

It is an arithmetic number, because the mean of its divisors is an integer number (1136722).

2^2273443 is an apocalyptic number.

2273443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273443 is an equidigital number, since it uses as much as digits as its factorization.

2273443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 25.

The square root of 2273443 is about 1507.7940840844. The cubic root of 2273443 is about 131.4905948253.

The spelling of 2273443 in words is "two million, two hundred seventy-three thousand, four hundred forty-three".