222033213 has 12 divisors (see below), whose sum is σ = 324775360. Its totient is φ = 146147976.

The previous prime is 222033199. The next prime is 222033247. The reversal of 222033213 is 312330222.

It is a happy number.

It is not a de Polignac number, because 222033213 - 2⁴ = 222033197 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222033613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155431 + ... + 156852.

Almost surely, 2^222033213 is an apocalyptic number.

It is an amenable number.

222033213 is a deficient number, since it is larger than the sum of its proper divisors (102742147).

222033213 is a wasteful number, since it uses less digits than its factorization.

222033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312368 (or 312365 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 222033213 is about 14900.7789393709. The cubic root of 222033213 is about 605.5350892926.

Adding to 222033213 its reverse (312330222), we get a palindrome (534363435).

The spelling of 222033213 in words is "two hundred twenty-two million, thirty-three thousand, two hundred thirteen".