22112133442 has 16 divisors (see below), whose sum is σ = 37917432000. Its totient is φ = 9473899248.

The previous prime is 22112133419. The next prime is 22112133467. The reversal of 22112133442 is 24433121122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176713 + ... + 274684.

It is an arithmetic number, because the mean of its divisors is an integer number (2369839500).

Almost surely, 2^22112133442 is an apocalyptic number.

22112133442 is a deficient number, since it is larger than the sum of its proper divisors (15805298558).

22112133442 is a wasteful number, since it uses less digits than its factorization.

22112133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454905.

The product of its digits is 2304, while the sum is 25.

Adding to 22112133442 its reverse (24433121122), we get a palindrome (46545254564).

The spelling of 22112133442 in words is "twenty-two billion, one hundred twelve million, one hundred thirty-three thousand, four hundred forty-two".