227816 has 8 divisors (see below), whose sum is σ = 427170. Its totient is φ = 113904.

The previous prime is 227797. The next prime is 227827. The reversal of 227816 is 618722.

It can be written as a sum of positive squares in only one way, i.e., 198916 + 28900 = 446^2 + 170^2 .

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

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 8³ + 7⁵ + 1 + 6⁶ .

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 227816.

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 as a sum of consecutive naturals, namely, 14231 + ... + 14246.

2²²⁷⁸¹⁶ is an apocalyptic number.

It is an amenable number.

227816 is a deficient number, since it is larger than the sum of its proper divisors (199354).

227816 is a wasteful number, since it uses less digits than its factorization.

227816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28483 (or 28479 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 227816 is about 477.3007437664. The cubic root of 227816 is about 61.0747091442.

The spelling of 227816 in words is "two hundred twenty-seven thousand, eight hundred sixteen".