22112222144243 has 32 divisors (see below), whose sum is σ = 29214710622720. Its totient is φ = 16230394656000.

The previous prime is 22112222144209. The next prime is 22112222144267. The reversal of 22112222144243 is 34244122221122.

It is not a de Polignac number, because 22112222144243 - 2¹² = 22112222140147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112222140243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120670313 + ... + 120853418.

It is an arithmetic number, because the mean of its divisors is an integer number (912959706960).

Almost surely, 2^{22112222144243} is an apocalyptic number.

22112222144243 is a deficient number, since it is larger than the sum of its proper divisors (7102488478477).

22112222144243 is a wasteful number, since it uses less digits than its factorization.

22112222144243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241523819.

The product of its digits is 24576, while the sum is 32.

Adding to 22112222144243 its reverse (34244122221122), we get a palindrome (56356344365365).

The spelling of 22112222144243 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred forty-four thousand, two hundred forty-three".