343403222 has 4 divisors (see below), whose sum is σ = 515104836. Its totient is φ = 171701610.

The previous prime is 343403219. The next prime is 343403227. The reversal of 343403222 is 222304343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222304343 = 29 ⋅7665667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343403227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85850804 + ... + 85850807.

It is an arithmetic number, because the mean of its divisors is an integer number (128776209).

Almost surely, 2^343403222 is an apocalyptic number.

343403222 is a deficient number, since it is larger than the sum of its proper divisors (171701614).

343403222 is a wasteful number, since it uses less digits than its factorization.

343403222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171701613.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 343403222 is about 18531.1419507811. The cubic root of 343403222 is about 700.2741932635.

Adding to 343403222 its reverse (222304343), we get a palindrome (565707565).

The spelling of 343403222 in words is "three hundred forty-three million, four hundred three thousand, two hundred twenty-two".