213331222 has 8 divisors (see below), whose sum is σ = 344612016. Its totient is φ = 98460552.

The previous prime is 213331219. The next prime is 213331229. The reversal of 213331222 is 222133312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213331222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331229) 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, 4102498 + ... + 4102549.

It is an arithmetic number, because the mean of its divisors is an integer number (43076502).

Almost surely, 2^213331222 is an apocalyptic number.

213331222 is a deficient number, since it is larger than the sum of its proper divisors (131280794).

213331222 is a wasteful number, since it uses less digits than its factorization.

213331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205062.

The product of its digits is 432, while the sum is 19.

The square root of 213331222 is about 14605.8625900698. The cubic root of 213331222 is about 597.5186616721.

Adding to 213331222 its reverse (222133312), we get a palindrome (435464534).

The spelling of 213331222 in words is "two hundred thirteen million, three hundred thirty-one thousand, two hundred twenty-two".