422040666 has 8 divisors (see below), whose sum is σ = 844081344. Its totient is φ = 140680220.

The previous prime is 422040659. The next prime is 422040677. The reversal of 422040666 is 666040224.

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

422040666 is an admirable 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, 35170050 + ... + 35170061.

It is an arithmetic number, because the mean of its divisors is an integer number (105510168).

Almost surely, 2^422040666 is an apocalyptic number.

422040666 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.

422040666 is a wasteful number, since it uses less digits than its factorization.

422040666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70340116.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 422040666 is about 20543.6283552833. The cubic root of 422040666 is about 750.0981595968.

The spelling of 422040666 in words is "four hundred twenty-two million, forty thousand, six hundred sixty-six".