343220444 has 24 divisors (see below), whose sum is σ = 716287488. Its totient is φ = 140698800.

The previous prime is 343220443. The next prime is 343220447. The reversal of 343220444 is 444022343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343220443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 265832 + ... + 267119.

It is an arithmetic number, because the mean of its divisors is an integer number (29845312).

Almost surely, 2^343220444 is an apocalyptic number.

It is an amenable number.

343220444 is an abundant number, since it is smaller than the sum of its proper divisors (373067044).

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

343220444 is a wasteful number, since it uses less digits than its factorization.

343220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532985 (or 532983 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 343220444 is about 18526.2096501146. The cubic root of 343220444 is about 700.1499297897.

Adding to 343220444 its reverse (444022343), we get a palindrome (787242787).

The spelling of 343220444 in words is "three hundred forty-three million, two hundred twenty thousand, four hundred forty-four".