222042112 has 48 divisors (see below), whose sum is σ = 447174000. Its totient is φ = 110223360.

The previous prime is 222042103. The next prime is 222042127. The reversal of 222042112 is 211240222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370389 + ... + 370987.

It is an arithmetic number, because the mean of its divisors is an integer number (9316125).

Almost surely, 2^222042112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223587000).

222042112 is an abundant number, since it is smaller than the sum of its proper divisors (225131888).

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

222042112 is an equidigital number, since it uses as much as digits as its factorization.

222042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 222042112 is about 14901.0775449294. The cubic root of 222042112 is about 605.5431790504.

Adding to 222042112 its reverse (211240222), we get a palindrome (433282334).

The spelling of 222042112 in words is "two hundred twenty-two million, forty-two thousand, one hundred twelve".