343222213 has 8 divisors (see below), whose sum is σ = 362129600. Its totient is φ = 324399168.

The previous prime is 343222207. The next prime is 343222273. The reversal of 343222213 is 312222343.

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

It is a cyclic number.

It is not a de Polignac number, because 343222213 - 2²¹ = 341125061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343222273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12633 + ... + 29086.

It is an arithmetic number, because the mean of its divisors is an integer number (45266200).

Almost surely, 2^343222213 is an apocalyptic number.

It is an amenable number.

343222213 is a deficient number, since it is larger than the sum of its proper divisors (18907387).

343222213 is a wasteful number, since it uses less digits than its factorization.

343222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42171.

The product of its digits is 1728, while the sum is 22.

The square root of 343222213 is about 18526.2573932244. The cubic root of 343222213 is about 700.1511326737.

Adding to 343222213 its reverse (312222343), we get a palindrome (655444556).

The spelling of 343222213 in words is "three hundred forty-three million, two hundred twenty-two thousand, two hundred thirteen".