22003033312 has 96 divisors (see below), whose sum is σ = 48725560800. Its totient is φ = 9712908288.

The previous prime is 22003033289. The next prime is 22003033331. The reversal of 22003033312 is 21333030022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22003033312.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 896014 + ... + 920242.

It is an arithmetic number, because the mean of its divisors is an integer number (507557925).

Almost surely, 2^22003033312 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 22003033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24362780400).

22003033312 is an abundant number, since it is smaller than the sum of its proper divisors (26722527488).

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

22003033312 is a wasteful number, since it uses less digits than its factorization.

22003033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24348 (or 24340 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 22003033312 its reverse (21333030022), we get a palindrome (43336063334).

The spelling of 22003033312 in words is "twenty-two billion, three million, thirty-three thousand, three hundred twelve".