224871666 has 8 divisors (see below), whose sum is σ = 449743344. Its totient is φ = 74957220.

The previous prime is 224871623. The next prime is 224871671. The reversal of 224871666 is 666178422.

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

224871666 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 18739300 + ... + 18739311.

It is an arithmetic number, because the mean of its divisors is an integer number (56217918).

Almost surely, 2^224871666 is an apocalyptic number.

224871666 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.

224871666 is a wasteful number, since it uses less digits than its factorization.

224871666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37478616.

The product of its digits is 193536, while the sum is 42.

The square root of 224871666 is about 14995.7215898402. The cubic root of 224871666 is about 608.1045400373.

The spelling of 224871666 in words is "two hundred twenty-four million, eight hundred seventy-one thousand, six hundred sixty-six".