242022666 has 8 divisors (see below), whose sum is σ = 484045344. Its totient is φ = 80674220.

The previous prime is 242022647. The next prime is 242022689. The reversal of 242022666 is 666220242.

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

242022666 is an admirable number.

It is a Curzon 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, 20168550 + ... + 20168561.

It is an arithmetic number, because the mean of its divisors is an integer number (60505668).

Almost surely, 2^242022666 is an apocalyptic number.

242022666 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.

242022666 is a wasteful number, since it uses less digits than its factorization.

242022666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40337116.

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

The square root of 242022666 is about 15557.0776818784. The cubic root of 242022666 is about 623.1874233739.

The spelling of 242022666 in words is "two hundred forty-two million, twenty-two thousand, six hundred sixty-six".