343240422 has 16 divisors (see below), whose sum is σ = 784549632. Its totient is φ = 98068680.

The previous prime is 343240369. The next prime is 343240427. The reversal of 343240422 is 224042343.

It is a junction number, because it is equal to n+sod(n) for n = 343240392 and 343240401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343240427) 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, 4086154 + ... + 4086237.

It is an arithmetic number, because the mean of its divisors is an integer number (49034352).

Almost surely, 2^343240422 is an apocalyptic number.

343240422 is an abundant number, since it is smaller than the sum of its proper divisors (441309210).

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

343240422 is a wasteful number, since it uses less digits than its factorization.

343240422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172403.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 343240422 is about 18526.7488243350. The cubic root of 343240422 is about 700.1635141824.

Adding to 343240422 its reverse (224042343), we get a palindrome (567282765).

The spelling of 343240422 in words is "three hundred forty-three million, two hundred forty thousand, four hundred twenty-two".