340422666 has 8 divisors (see below), whose sum is σ = 680845344. Its totient is φ = 113474220.

The previous prime is 340422661. The next prime is 340422673. The reversal of 340422666 is 666224043.

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

340422666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (340422661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28368550 + ... + 28368561.

It is an arithmetic number, because the mean of its divisors is an integer number (85105668).

Almost surely, 2^340422666 is an apocalyptic number.

340422666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340422666 is a wasteful number, since it uses less digits than its factorization.

340422666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56737116.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 340422666 is about 18450.5464959713. The cubic root of 340422666 is about 698.2423016825.

The spelling of 340422666 in words is "three hundred forty million, four hundred twenty-two thousand, six hundred sixty-six".