321112222 has 8 divisors (see below), whose sum is σ = 481798296. Its totient is φ = 160512792.

The previous prime is 321112219. The next prime is 321112237. The reversal of 321112222 is 222211123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×321112222² = 206226118235554568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321112196 and 321112205.

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, 11428 + ... + 27799.

It is an arithmetic number, because the mean of its divisors is an integer number (60224787).

Almost surely, 2^321112222 is an apocalyptic number.

321112222 is a deficient number, since it is larger than the sum of its proper divisors (160686074).

321112222 is a wasteful number, since it uses less digits than its factorization.

321112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43322.

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

The square root of 321112222 is about 17919.6044041156. The cubic root of 321112222 is about 684.7819093664.

Adding to 321112222 its reverse (222211123), we get a palindrome (543323345).

The spelling of 321112222 in words is "three hundred twenty-one million, one hundred twelve thousand, two hundred twenty-two".