343324221 has 8 divisors (see below), whose sum is σ = 470137824. Its totient is φ = 222696720.

The previous prime is 343324211. The next prime is 343324249. The reversal of 343324221 is 122423343.

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

It is not a de Polignac number, because 343324221 - 2²⁷ = 209106493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343324191 and 343324200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343324211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546395 + ... + 1546616.

It is an arithmetic number, because the mean of its divisors is an integer number (58767228).

Almost surely, 2^343324221 is an apocalyptic number.

It is an amenable number.

343324221 is a deficient number, since it is larger than the sum of its proper divisors (126813603).

343324221 is a wasteful number, since it uses less digits than its factorization.

343324221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093051.

The product of its digits is 3456, while the sum is 24.

The square root of 343324221 is about 18529.0102541933. The cubic root of 343324221 is about 700.2204890455.

Adding to 343324221 its reverse (122423343), we get a palindrome (465747564).

The spelling of 343324221 in words is "three hundred forty-three million, three hundred twenty-four thousand, two hundred twenty-one".