340422218 has 32 divisors (see below), whose sum is σ = 545011200. Its totient is φ = 159134976.

The previous prime is 340422193. The next prime is 340422281. The reversal of 340422218 is 812224043.

It is a super-3 number, since 3×340422218³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 410228 + ... + 411056.

It is an arithmetic number, because the mean of its divisors is an integer number (17031600).

Almost surely, 2^340422218 is an apocalyptic number.

340422218 is a deficient number, since it is larger than the sum of its proper divisors (204588982).

340422218 is a wasteful number, since it uses less digits than its factorization.

340422218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 340422218 is about 18450.5343554055. The cubic root of 340422218 is about 698.2419953842.

The spelling of 340422218 in words is "three hundred forty million, four hundred twenty-two thousand, two hundred eighteen".