22232210212 has 12 divisors (see below), whose sum is σ = 38908042096. Its totient is φ = 11115626760.

The previous prime is 22232210197. The next prime is 22232210219. The reversal of 22232210212 is 21201223222.

It is a self number, because there is not a number n which added to its sum of digits gives 22232210212.

It is not an unprimeable number, because it can be changed into a prime (22232210219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214 + ... + 210877.

Almost surely, 2^22232210212 is an apocalyptic number.

It is an amenable number.

22232210212 is a deficient number, since it is larger than the sum of its proper divisors (16675831884).

22232210212 is a wasteful number, since it uses less digits than its factorization.

22232210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239178 (or 239176 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22232210212 its reverse (21201223222), we get a palindrome (43433433434).

The spelling of 22232210212 in words is "twenty-two billion, two hundred thirty-two million, two hundred ten thousand, two hundred twelve".