2223443 has 2 divisors, whose sum is σ = 2223444. Its totient is φ = 2223442.

The previous prime is 2223421. The next prime is 2223449. The reversal of 2223443 is 3443222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223443 - 2⁸ = 2223187 is a prime.

It is a Sophie Germain prime.

It is equal to p₁₆₄₂₅₂ and since 2223443 and 164252 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2223449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111721 + 1111722.

It is an arithmetic number, because the mean of its divisors is an integer number (1111722).

2^2223443 is an apocalyptic number.

2223443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223443 is an equidigital number, since it uses as much as digits as its factorization.

2223443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 20.

The square root of 2223443 is about 1491.1213900954. The cubic root of 2223443 is about 130.5194795817.

Adding to 2223443 its reverse (3443222), we get a palindrome (5666665).

The spelling of 2223443 in words is "two million, two hundred twenty-three thousand, four hundred forty-three".