222001212443 has 2 divisors, whose sum is σ = 222001212444. Its totient is φ = 222001212442.

The previous prime is 222001212401. The next prime is 222001212451. The reversal of 222001212443 is 344212100222.

222001212443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222001212443 - 2⁸ = 222001212187 is a prime.

It is not a weakly prime, because it can be changed into another prime (222001212493) 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, 111000606221 + 111000606222.

It is an arithmetic number, because the mean of its divisors is an integer number (111000606222).

Almost surely, 2^222001212443 is an apocalyptic number.

222001212443 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001212443 is an equidigital number, since it uses as much as digits as its factorization.

222001212443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 222001212443 its reverse (344212100222), we get a palindrome (566213312665).

The spelling of 222001212443 in words is "two hundred twenty-two billion, one million, two hundred twelve thousand, four hundred forty-three".