22142042500243 has 2 divisors, whose sum is σ = 22142042500244. Its totient is φ = 22142042500242.

The previous prime is 22142042500223. The next prime is 22142042500247. The reversal of 22142042500243 is 34200524024122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22142042500243 - 2⁵ = 22142042500211 is a prime.

It is not a weakly prime, because it can be changed into another prime (22142042500247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071021250121 + 11071021250122.

It is an arithmetic number, because the mean of its divisors is an integer number (11071021250122).

Almost surely, 2^{22142042500243} is an apocalyptic number.

22142042500243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142042500243 is an equidigital number, since it uses as much as digits as its factorization.

22142042500243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22142042500243 its reverse (34200524024122), we get a palindrome (56342566524365).

The spelling of 22142042500243 in words is "twenty-two trillion, one hundred forty-two billion, forty-two million, five hundred thousand, two hundred forty-three".