22004430212 has 24 divisors (see below), whose sum is σ = 38935944096. Its totient is φ = 10880057088.

The previous prime is 22004430187. The next prime is 22004430251. The reversal of 22004430212 is 21203440022.

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 7 ways as a sum of consecutive naturals, for example, 475703 + ... + 519905.

It is an arithmetic number, because the mean of its divisors is an integer number (1622331004).

Almost surely, 2^22004430212 is an apocalyptic number.

It is an amenable number.

22004430212 is a deficient number, since it is larger than the sum of its proper divisors (16931513884).

22004430212 is a wasteful number, since it uses less digits than its factorization.

22004430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45587 (or 45585 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22004430212 its reverse (21203440022), we get a palindrome (43207870234).

The spelling of 22004430212 in words is "twenty-two billion, four million, four hundred thirty thousand, two hundred twelve".