2223221543 has 2 divisors, whose sum is σ = 2223221544. Its totient is φ = 2223221542.

The previous prime is 2223221531. The next prime is 2223221549. The reversal of 2223221543 is 3451223222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223221543 - 2⁴ = 2223221527 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 (2223221549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111610771 + 1111610772.

It is an arithmetic number, because the mean of its divisors is an integer number (1111610772).

Almost surely, 2^2223221543 is an apocalyptic number.

2223221543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223221543 is an equidigital number, since it uses as much as digits as its factorization.

2223221543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 26.

The square root of 2223221543 is about 47151.0502852269. The cubic root of 2223221543 is about 1305.1514615041.

Adding to 2223221543 its reverse (3451223222), we get a palindrome (5674444765).

The spelling of 2223221543 in words is "two billion, two hundred twenty-three million, two hundred twenty-one thousand, five hundred forty-three".