343440222 has 64 divisors (see below), whose sum is σ = 744629760. Its totient is φ = 105211904.

The previous prime is 343440221. The next prime is 343440241. The reversal of 343440222 is 222044343.

It is a junction number, because it is equal to n+sod(n) for n = 343440192 and 343440201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343440221) 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 31 ways as a sum of consecutive naturals, for example, 956479 + ... + 956837.

It is an arithmetic number, because the mean of its divisors is an integer number (11634840).

Almost surely, 2^343440222 is an apocalyptic number.

343440222 is an abundant number, since it is smaller than the sum of its proper divisors (401189538).

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

343440222 is a wasteful number, since it uses less digits than its factorization.

343440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

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

The square root of 343440222 is about 18532.1402433718. The cubic root of 343440222 is about 700.2993427214.

Adding to 343440222 its reverse (222044343), we get a palindrome (565484565).

The spelling of 343440222 in words is "three hundred forty-three million, four hundred forty thousand, two hundred twenty-two".