228827 has 4 divisors (see below), whose sum is σ = 238800. Its totient is φ = 218856.

The previous prime is 228799. The next prime is 228829. The reversal of 228827 is 728822.

228827 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728822 = 2 ⋅364411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228827 is a prime.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 228827 parts by 676 straight cuts.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952 + ... + 4997.

It is an arithmetic number, because the mean of its divisors is an integer number (59700).

2²²⁸⁸²⁷ is an apocalyptic number.

228827 is a deficient number, since it is larger than the sum of its proper divisors (9973).

228827 is an equidigital number, since it uses as much as digits as its factorization.

228827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972.

The product of its digits is 3584, while the sum is 29.

The square root of 228827 is about 478.3586520593. The cubic root of 228827 is about 61.1649214442.

It can be divided in two parts, 2288 and 27, that multiplied together give a triangular number (61776 = T₃₅₁).

The spelling of 228827 in words is "two hundred twenty-eight thousand, eight hundred twenty-seven".