22140204222 has 16 divisors (see below), whose sum is σ = 45807319440. Its totient is φ = 7125582912.

The previous prime is 22140204209. The next prime is 22140204223. The reversal of 22140204222 is 22240204122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140204223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63621103 + ... + 63621450.

It is an arithmetic number, because the mean of its divisors is an integer number (2862957465).

Almost surely, 2^22140204222 is an apocalyptic number.

22140204222 is an abundant number, since it is smaller than the sum of its proper divisors (23667115218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22140204222 is a wasteful number, since it uses less digits than its factorization.

22140204222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127242587.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22140204222 its reverse (22240204122), we get a palindrome (44380408344).

The spelling of 22140204222 in words is "twenty-two billion, one hundred forty million, two hundred four thousand, two hundred twenty-two".