22123133242 has 16 divisors (see below), whose sum is σ = 38382305472. Its totient is φ = 9367109280.

The previous prime is 22123133191. The next prime is 22123133251. The reversal of 22123133242 is 24233132122.

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, 9518259 + ... + 9520582.

It is an arithmetic number, because the mean of its divisors is an integer number (2398894092).

Almost surely, 2^22123133242 is an apocalyptic number.

22123133242 is a deficient number, since it is larger than the sum of its proper divisors (16259172230).

22123133242 is a wasteful number, since it uses less digits than its factorization.

22123133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19038933.

The product of its digits is 3456, while the sum is 25.

Adding to 22123133242 its reverse (24233132122), we get a palindrome (46356265364).

The spelling of 22123133242 in words is "twenty-two billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred forty-two".