227642216 has 8 divisors (see below), whose sum is σ = 426829170. Its totient is φ = 113821104.

The previous prime is 227642171. The next prime is 227642227. The reversal of 227642216 is 612246722.

227642216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 116424100 + 111218116 = 10790^2 + 10546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14227631 + ... + 14227646.

Almost surely, 2^227642216 is an apocalyptic number.

It is an amenable number.

227642216 is a deficient number, since it is larger than the sum of its proper divisors (199186954).

227642216 is a wasteful number, since it uses less digits than its factorization.

227642216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28455283 (or 28455279 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 227642216 is about 15087.8168069473. The cubic root of 227642216 is about 610.5917539878.

Adding to 227642216 its reverse (612246722), we get a palindrome (839888938).

The spelling of 227642216 in words is "two hundred twenty-seven million, six hundred forty-two thousand, two hundred sixteen".