222222220112 has 40 divisors (see below), whose sum is σ = 433745155200. Its totient is φ = 110288328192.

The previous prime is 222222220093. The next prime is 222222220163. The reversal of 222222220112 is 211022222222.

It is a super-3 number, since 3×222222220112³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15687689 + ... + 15701847.

It is an arithmetic number, because the mean of its divisors is an integer number (10843628880).

Almost surely, 2^222222220112 is an apocalyptic number.

It is an amenable number.

222222220112 is a deficient number, since it is larger than the sum of its proper divisors (211522935088).

222222220112 is a wasteful number, since it uses less digits than its factorization.

222222220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21363 (or 21357 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222220112 its reverse (211022222222), we get a palindrome (433244442334).

The spelling of 222222220112 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twelve".