343431222 has 8 divisors (see below), whose sum is σ = 686862456. Its totient is φ = 114477072.

The previous prime is 343431203. The next prime is 343431269. The reversal of 343431222 is 222134343.

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

343431222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 343431192 and 343431201.

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, 28619263 + ... + 28619274.

It is an arithmetic number, because the mean of its divisors is an integer number (85857807).

Almost surely, 2^343431222 is an apocalyptic number.

343431222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343431222 is a wasteful number, since it uses less digits than its factorization.

343431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57238542.

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

The square root of 343431222 is about 18531.8974203938. The cubic root of 343431222 is about 700.2932254519.

Adding to 343431222 its reverse (222134343), we get a palindrome (565565565).

The spelling of 343431222 in words is "three hundred forty-three million, four hundred thirty-one thousand, two hundred twenty-two".