228916 has 12 divisors (see below), whose sum is σ = 404320. Its totient is φ = 113400.

The previous prime is 228913. The next prime is 228923. The reversal of 228916 is 619822.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228911) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 415 + ... + 793.

2²²⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

228916 is a deficient number, since it is larger than the sum of its proper divisors (175404).

228916 is a wasteful number, since it uses less digits than its factorization.

228916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 228916 is about 478.4516694505. The cubic root of 228916 is about 61.1728502469.

The spelling of 228916 in words is "two hundred twenty-eight thousand, nine hundred sixteen".