22344342412 has 72 divisors (see below), whose sum is σ = 46354064400. Its totient is φ = 9394229376.

The previous prime is 22344342407. The next prime is 22344342421. The reversal of 22344342412 is 21424344322.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6439414 + ... + 6442882.

It is an arithmetic number, because the mean of its divisors is an integer number (643806450).

Almost surely, 2^22344342412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22344342412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23177032200).

22344342412 is an abundant number, since it is smaller than the sum of its proper divisors (24009721988).

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

22344342412 is a wasteful number, since it uses less digits than its factorization.

22344342412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103 (or 4094 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

Adding to 22344342412 its reverse (21424344322), we get a palindrome (43768686734).

The spelling of 22344342412 in words is "twenty-two billion, three hundred forty-four million, three hundred forty-two thousand, four hundred twelve".