2222443 has 2 divisors, whose sum is σ = 2222444. Its totient is φ = 2222442.

The previous prime is 2222387. The next prime is 2222477. The reversal of 2222443 is 3442222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2222443 - 2⁹ = 2221931 is a prime.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 2⁹ + 2²¹ + 4³ + 4⁸ + 3¹⁰ .

It is a self number, because there is not a number n which added to its sum of digits gives 2222443.

It is not a weakly prime, because it can be changed into another prime (2222243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111221 + 1111222.

It is an arithmetic number, because the mean of its divisors is an integer number (1111222).

2^2222443 is an apocalyptic number.

2222443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222443 is an equidigital number, since it uses as much as digits as its factorization.

2222443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 19.

The square root of 2222443 is about 1490.7860342786. The cubic root of 2222443 is about 130.4999094747.

Adding to 2222443 its reverse (3442222), we get a palindrome (5664665).

The spelling of 2222443 in words is "two million, two hundred twenty-two thousand, four hundred forty-three".