222011022212 has 18 divisors (see below), whose sum is σ = 451951009902. Its totient is φ = 95147580864.

The previous prime is 222011022209. The next prime is 222011022223. The reversal of 222011022212 is 212220110222.

It is a happy number.

222011022212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 143053394176 + 78957628036 = 378224^2 + 280994^2 .

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 5 ways as a sum of consecutive naturals, for example, 566354453 + ... + 566354844.

It is an arithmetic number, because the mean of its divisors is an integer number (25108389439).

Almost surely, 2^222011022212 is an apocalyptic number.

It is an amenable number.

222011022212 is an abundant number, since it is smaller than the sum of its proper divisors (229939987690).

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

222011022212 is a wasteful number, since it uses less digits than its factorization.

222011022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132709315 (or 1132709306 counting only the distinct ones).

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

Adding to 222011022212 its reverse (212220110222), we get a palindrome (434231132434).

The spelling of 222011022212 in words is "two hundred twenty-two billion, eleven million, twenty-two thousand, two hundred twelve".