222201112 has 16 divisors (see below), whose sum is σ = 476145360. Its totient is φ = 95229024.

The previous prime is 222201097. The next prime is 222201121. The reversal of 222201112 is 211102222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222201092 and 222201101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983883 + ... + 1983994.

It is an arithmetic number, because the mean of its divisors is an integer number (29759085).

Almost surely, 2^222201112 is an apocalyptic number.

It is an amenable number.

222201112 is an abundant number, since it is smaller than the sum of its proper divisors (253944248).

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

222201112 is a wasteful number, since it uses less digits than its factorization.

222201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967890 (or 3967886 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222201112 is about 14906.4117748035. The cubic root of 222201112 is about 605.6876837602.

Adding to 222201112 its reverse (211102222), we get a palindrome (433303334).

It can be divided in two parts, 22220 and 1112, that added together give a palindrome (23332).

The spelling of 222201112 in words is "two hundred twenty-two million, two hundred one thousand, one hundred twelve".