22140343312 has 40 divisors (see below), whose sum is σ = 45430726176. Its totient is φ = 10416585216.

The previous prime is 22140343297. The next prime is 22140343319. The reversal of 22140343312 is 21334304122.

It is not an unprimeable number, because it can be changed into a prime (22140343319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850983 + ... + 1862905.

Almost surely, 2^22140343312 is an apocalyptic number.

It is an amenable number.

22140343312 is an abundant number, since it is smaller than the sum of its proper divisors (23290382864).

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

22140343312 is a wasteful number, since it uses less digits than its factorization.

22140343312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18775 (or 18769 counting only the distinct ones).

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

Adding to 22140343312 its reverse (21334304122), we get a palindrome (43474647434).

The spelling of 22140343312 in words is "twenty-two billion, one hundred forty million, three hundred forty-three thousand, three hundred twelve".