22224101212 has 6 divisors (see below), whose sum is σ = 38892177128. Its totient is φ = 11112050604.

The previous prime is 22224101191. The next prime is 22224101213. The reversal of 22224101212 is 21210142222.

It is a self number, because there is not a number n which added to its sum of digits gives 22224101212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224101213) by changing a digit.

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 as a sum of consecutive naturals, namely, 2778012648 + ... + 2778012655.

Almost surely, 2^22224101212 is an apocalyptic number.

It is an amenable number.

22224101212 is a deficient number, since it is larger than the sum of its proper divisors (16668075916).

22224101212 is a wasteful number, since it uses less digits than its factorization.

22224101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556025307 (or 5556025305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22224101212 its reverse (21210142222), we get a palindrome (43434243434).

The spelling of 22224101212 in words is "twenty-two billion, two hundred twenty-four million, one hundred one thousand, two hundred twelve".