222002112 has 28 divisors (see below), whose sum is σ = 587381096. Its totient is φ = 74000640.

The previous prime is 222002101. The next prime is 222002113. The reversal of 222002112 is 211200222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577939 + ... + 578322.

Almost surely, 2^222002112 is an apocalyptic number.

It is an amenable number.

222002112 is an abundant number, since it is smaller than the sum of its proper divisors (365378984).

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

222002112 is a wasteful number, since it uses less digits than its factorization.

222002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156276 (or 1156266 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 222002112 is about 14899.7352996622. The cubic root of 222002112 is about 605.5068148047.

Adding to 222002112 its reverse (211200222), we get a palindrome (433202334).

The spelling of 222002112 in words is "two hundred twenty-two million, two thousand, one hundred twelve".