22222250243 has 2 divisors, whose sum is σ = 22222250244. Its totient is φ = 22222250242.

The previous prime is 22222250227. The next prime is 22222250257. The reversal of 22222250243 is 34205222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222250243 - 2⁴ = 22222250227 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222250143) 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, 11111125121 + 11111125122.

It is an arithmetic number, because the mean of its divisors is an integer number (11111125122).

Almost surely, 2^22222250243 is an apocalyptic number.

22222250243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222250243 is an equidigital number, since it uses as much as digits as its factorization.

22222250243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 22222250243 its reverse (34205222222), we get a palindrome (56427472465).

The spelling of 22222250243 in words is "twenty-two billion, two hundred twenty-two million, two hundred fifty thousand, two hundred forty-three".