227213666 has 16 divisors (see below), whose sum is σ = 371131200. Its totient is φ = 103915728.

The previous prime is 227213659. The next prime is 227213671. The reversal of 227213666 is 666312722.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101990 + ... + 104193.

It is an arithmetic number, because the mean of its divisors is an integer number (23195700).

Almost surely, 2^227213666 is an apocalyptic number.

227213666 is a deficient number, since it is larger than the sum of its proper divisors (143917534).

227213666 is a wasteful number, since it uses less digits than its factorization.

227213666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206233.

The product of its digits is 36288, while the sum is 35.

The square root of 227213666 is about 15073.6082607981. The cubic root of 227213666 is about 610.2083548754.

The spelling of 227213666 in words is "two hundred twenty-seven million, two hundred thirteen thousand, six hundred sixty-six".