22200112212 has 24 divisors (see below), whose sum is σ = 53471238912. Its totient is φ = 7161326400.

The previous prime is 22200112189. The next prime is 22200112267. The reversal of 22200112212 is 21221100222.

It is a junction number, because it is equal to n+sod(n) for n = 22200112191 and 22200112200.

It is a congruent number.

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, 29838489 + ... + 29839232.

It is an arithmetic number, because the mean of its divisors is an integer number (2227968288).

Almost surely, 2^22200112212 is an apocalyptic number.

It is an amenable number.

22200112212 is an abundant number, since it is smaller than the sum of its proper divisors (31271126700).

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

22200112212 is a wasteful number, since it uses less digits than its factorization.

22200112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59677759 (or 59677757 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22200112212 its reverse (21221100222), we get a palindrome (43421212434).

The spelling of 22200112212 in words is "twenty-two billion, two hundred million, one hundred twelve thousand, two hundred twelve".