228716 has 6 divisors (see below), whose sum is σ = 400260. Its totient is φ = 114356.

The previous prime is 228713. The next prime is 228731. The reversal of 228716 is 617822.

It is a super-2 number, since 2×228716² = 104622017312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28586 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (66710).

2²²⁸⁷¹⁶ is an apocalyptic number.

It is an amenable number.

228716 is a deficient number, since it is larger than the sum of its proper divisors (171544).

228716 is a wasteful number, since it uses less digits than its factorization.

228716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57183 (or 57181 counting only the distinct ones).

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

The square root of 228716 is about 478.2426162525. The cubic root of 228716 is about 61.1550298313.

The spelling of 228716 in words is "two hundred twenty-eight thousand, seven hundred sixteen".