22222203312 has 80 divisors (see below), whose sum is σ = 61256773760. Its totient is φ = 6921386496.

The previous prime is 22222203299. The next prime is 22222203323. The reversal of 22222203312 is 21330222222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100318 + ... + 233469.

It is an arithmetic number, because the mean of its divisors is an integer number (765709672).

Almost surely, 2^22222203312 is an apocalyptic number.

It is an amenable number.

22222203312 is an abundant number, since it is smaller than the sum of its proper divisors (39034570448).

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

22222203312 is a wasteful number, since it uses less digits than its factorization.

22222203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333890 (or 333884 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22222203312 its reverse (21330222222), we get a palindrome (43552425534).

The spelling of 22222203312 in words is "twenty-two billion, two hundred twenty-two million, two hundred three thousand, three hundred twelve".