340306222 has 8 divisors (see below), whose sum is σ = 510697656. Its totient is φ = 170073672.

The previous prime is 340306193. The next prime is 340306237. The reversal of 340306222 is 222603043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 340306193 and 340306202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34213 + ... + 43024.

It is an arithmetic number, because the mean of its divisors is an integer number (63837207).

Almost surely, 2^340306222 is an apocalyptic number.

340306222 is a deficient number, since it is larger than the sum of its proper divisors (170391434).

340306222 is a wasteful number, since it uses less digits than its factorization.

340306222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79442.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340306222 is about 18447.3906555914. The cubic root of 340306222 is about 698.1626796842.

Adding to 340306222 its reverse (222603043), we get a palindrome (562909265).

The spelling of 340306222 in words is "three hundred forty million, three hundred six thousand, two hundred twenty-two".