343021222 has 8 divisors (see below), whose sum is σ = 532274400. Its totient is φ = 165596424.

The previous prime is 343021207. The next prime is 343021243. The reversal of 343021222 is 222120343.

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 343021222.

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, 2957022 + ... + 2957137.

It is an arithmetic number, because the mean of its divisors is an integer number (66534300).

Almost surely, 2^343021222 is an apocalyptic number.

343021222 is a deficient number, since it is larger than the sum of its proper divisors (189253178).

343021222 is a wasteful number, since it uses less digits than its factorization.

343021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914190.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 343021222 is about 18520.8321087364. The cubic root of 343021222 is about 700.0144364370.

Adding to 343021222 its reverse (222120343), we get a palindrome (565141565).

The spelling of 343021222 in words is "three hundred forty-three million, twenty-one thousand, two hundred twenty-two".