22203223212 has 48 divisors (see below), whose sum is σ = 52097270400. Its totient is φ = 7359760512.

The previous prime is 22203223171. The next prime is 22203223277. The reversal of 22203223212 is 21232230222.

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, 2548039 + ... + 2556737.

It is an arithmetic number, because the mean of its divisors is an integer number (1085359800).

Almost surely, 2^22203223212 is an apocalyptic number.

It is an amenable number.

22203223212 is an abundant number, since it is smaller than the sum of its proper divisors (29894047188).

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

22203223212 is a wasteful number, since it uses less digits than its factorization.

22203223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870 (or 9868 counting only the distinct ones).

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

Adding to 22203223212 its reverse (21232230222), we get a palindrome (43435453434).

The spelling of 22203223212 in words is "twenty-two billion, two hundred three million, two hundred twenty-three thousand, two hundred twelve".