22222012243 has 2 divisors, whose sum is σ = 22222012244. Its totient is φ = 22222012242.

The previous prime is 22222012201. The next prime is 22222012249. The reversal of 22222012243 is 34221022222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222012243 - 2⁹ = 22222011731 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222012249) 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, 11111006121 + 11111006122.

It is an arithmetic number, because the mean of its divisors is an integer number (11111006122).

Almost surely, 2^22222012243 is an apocalyptic number.

22222012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222012243 is an equidigital number, since it uses as much as digits as its factorization.

22222012243 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 22.

Adding to 22222012243 its reverse (34221022222), we get a palindrome (56443034465).

The spelling of 22222012243 in words is "twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred forty-three".