343422442 has 24 divisors (see below), whose sum is σ = 567358848. Its totient is φ = 155787720.

The previous prime is 343422427. The next prime is 343422449. The reversal of 343422442 is 244224343.

It is a happy number.

It is a super-3 number, since 3×343422442³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 343422442.

It is not an unprimeable number, because it can be changed into a prime (343422449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154503 + ... + 156709.

It is an arithmetic number, because the mean of its divisors is an integer number (23639952).

Almost surely, 2^343422442 is an apocalyptic number.

343422442 is a deficient number, since it is larger than the sum of its proper divisors (223936406).

343422442 is a wasteful number, since it uses less digits than its factorization.

343422442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2863 counting only the distinct ones).

The product of its digits is 18432, while the sum is 28.

The square root of 343422442 is about 18531.6605300227. The cubic root of 343422442 is about 700.2872576127.

Adding to 343422442 its reverse (244224343), we get a palindrome (587646785).

The spelling of 343422442 in words is "three hundred forty-three million, four hundred twenty-two thousand, four hundred forty-two".