22142144222 has 16 divisors (see below), whose sum is σ = 36584376192. Its totient is φ = 9966895320.

The previous prime is 22142144153. The next prime is 22142144237. The reversal of 22142144222 is 22244124122.

It is a junction number, because it is equal to n+sod(n) for n = 22142144191 and 22142144200.

It is a congruent number.

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, 4883468 + ... + 4887999.

It is an arithmetic number, because the mean of its divisors is an integer number (2286523512).

Almost surely, 2^22142144222 is an apocalyptic number.

22142144222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22142144222 is a deficient number, since it is larger than the sum of its proper divisors (14442231970).

22142144222 is a wasteful number, since it uses less digits than its factorization.

22142144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771583.

The product of its digits is 4096, while the sum is 26.

Adding to 22142144222 its reverse (22244124122), we get a palindrome (44386268344).

The spelling of 22142144222 in words is "twenty-two billion, one hundred forty-two million, one hundred forty-four thousand, two hundred twenty-two".