2222543 has 2 divisors, whose sum is σ = 2222544. Its totient is φ = 2222542.

The previous prime is 2222537. The next prime is 2222567. The reversal of 2222543 is 3452222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222543 - 2⁴ = 2222527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111271 + 1111272.

It is an arithmetic number, because the mean of its divisors is an integer number (1111272).

2^2222543 is an apocalyptic number.

2222543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222543 is an equidigital number, since it uses as much as digits as its factorization.

2222543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 20.

The square root of 2222543 is about 1490.8195732549. The cubic root of 2222543 is about 130.5018667496.

Adding to 2222543 its reverse (3452222), we get a palindrome (5674765).

The spelling of 2222543 in words is "two million, two hundred twenty-two thousand, five hundred forty-three".