22131330222 has 32 divisors (see below), whose sum is σ = 46905778080. Its totient is φ = 6948999680.

The previous prime is 22131330209. The next prime is 22131330253. The reversal of 22131330222 is 22203313122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543983 + ... + 1558250.

It is an arithmetic number, because the mean of its divisors is an integer number (1465805565).

Almost surely, 2^22131330222 is an apocalyptic number.

22131330222 is an abundant number, since it is smaller than the sum of its proper divisors (24774447858).

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

22131330222 is a wasteful number, since it uses less digits than its factorization.

22131330222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102308.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22131330222 its reverse (22203313122), we get a palindrome (44334643344).

The spelling of 22131330222 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirty thousand, two hundred twenty-two".