22222040443 has 2 divisors, whose sum is σ = 22222040444. Its totient is φ = 22222040442.

The previous prime is 22222040431. The next prime is 22222040459. The reversal of 22222040443 is 34404022222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222040443 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222040543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111020221 + 11111020222.

It is an arithmetic number, because the mean of its divisors is an integer number (11111020222).

Almost surely, 2^22222040443 is an apocalyptic number.

22222040443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222040443 is an equidigital number, since it uses as much as digits as its factorization.

22222040443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22222040443 its reverse (34404022222), we get a palindrome (56626062665).

The spelling of 22222040443 in words is "twenty-two billion, two hundred twenty-two million, forty thousand, four hundred forty-three".