222321112 has 32 divisors (see below), whose sum is σ = 451962000. Its totient is φ = 101913984.

The previous prime is 222321107. The next prime is 222321133. The reversal of 222321112 is 211123222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8323 + ... + 22669.

Almost surely, 2^222321112 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 222321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225981000).

222321112 is an abundant number, since it is smaller than the sum of its proper divisors (229640888).

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

222321112 is a wasteful number, since it uses less digits than its factorization.

222321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515 (or 14511 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 222321112 is about 14910.4363450571. The cubic root of 222321112 is about 605.7966982790.

Adding to 222321112 its reverse (211123222), we get a palindrome (433444334).

The spelling of 222321112 in words is "two hundred twenty-two million, three hundred twenty-one thousand, one hundred twelve".