222001112 has 8 divisors (see below), whose sum is σ = 416252100. Its totient is φ = 111000552.

The previous prime is 222001099. The next prime is 222001121. The reversal of 222001112 is 211100222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 222001093 and 222001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875062 + ... + 13875077.

Almost surely, 2^222001112 is an apocalyptic number.

It is an amenable number.

222001112 is a deficient number, since it is larger than the sum of its proper divisors (194250988).

222001112 is a wasteful number, since it uses less digits than its factorization.

222001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750145 (or 27750141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222001112 is about 14899.7017419813. The cubic root of 222001112 is about 605.5059056426.

Adding to 222001112 its reverse (211100222), we get a palindrome (433101334).

The spelling of 222001112 in words is "two hundred twenty-two million, one thousand, one hundred twelve".