22131201322 has 8 divisors (see below), whose sum is σ = 33226366176. Its totient is φ = 11055745932.

The previous prime is 22131201263. The next prime is 22131201347. The reversal of 22131201322 is 22310213122.

22131201322 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22131201322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924558 + ... + 4929049.

It is an arithmetic number, because the mean of its divisors is an integer number (4153295772).

Almost surely, 2^22131201322 is an apocalyptic number.

22131201322 is a deficient number, since it is larger than the sum of its proper divisors (11095164854).

22131201322 is a wasteful number, since it uses less digits than its factorization.

22131201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854732.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22131201322 its reverse (22310213122), we get a palindrome (44441414444).

The spelling of 22131201322 in words is "twenty-two billion, one hundred thirty-one million, two hundred one thousand, three hundred twenty-two".