222261112 has 8 divisors (see below), whose sum is σ = 416739600. Its totient is φ = 111130552.

The previous prime is 222261101. The next prime is 222261173. The reversal of 222261112 is 211162222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222261112.

It is a congruent 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 as a sum of consecutive naturals, namely, 13891312 + ... + 13891327.

It is an arithmetic number, because the mean of its divisors is an integer number (52092450).

Almost surely, 2^222261112 is an apocalyptic number.

It is an amenable number.

222261112 is a deficient number, since it is larger than the sum of its proper divisors (194478488).

222261112 is a wasteful number, since it uses less digits than its factorization.

222261112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782645 (or 27782641 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 222261112 is about 14908.4241957358. The cubic root of 222261112 is about 605.7421959244.

The spelling of 222261112 in words is "two hundred twenty-two million, two hundred sixty-one thousand, one hundred twelve".