212110222 has 8 divisors (see below), whose sum is σ = 320594472. Its totient is φ = 105245400.

The previous prime is 212110211. The next prime is 212110259. The reversal of 212110222 is 222011212.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404529 + ... + 405052.

It is an arithmetic number, because the mean of its divisors is an integer number (40074309).

Almost surely, 2^212110222 is an apocalyptic number.

212110222 is a deficient number, since it is larger than the sum of its proper divisors (108484250).

212110222 is a wasteful number, since it uses less digits than its factorization.

212110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809714.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 212110222 is about 14564.0043257340. The cubic root of 212110222 is about 596.3765150156.

Adding to 212110222 its reverse (222011212), we get a palindrome (434121434).

The spelling of 212110222 in words is "two hundred twelve million, one hundred ten thousand, two hundred twenty-two".