22112022212 has 24 divisors (see below), whose sum is σ = 44234910720. Its totient is φ = 9474252480.

The previous prime is 22112022199. The next prime is 22112022223. The reversal of 22112022212 is 21222021122.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 21512 + ... + 211392.

It is an arithmetic number, because the mean of its divisors is an integer number (1843121280).

Almost surely, 2^22112022212 is an apocalyptic number.

It is an amenable number.

22112022212 is an abundant number, since it is smaller than the sum of its proper divisors (22122888508).

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

22112022212 is a wasteful number, since it uses less digits than its factorization.

22112022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194051 (or 194049 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22112022212 its reverse (21222021122), we get a palindrome (43334043334).

The spelling of 22112022212 in words is "twenty-two billion, one hundred twelve million, twenty-two thousand, two hundred twelve".