228468 has 24 divisors (see below), whose sum is σ = 542080. Its totient is φ = 74880.

The previous prime is 228461. The next prime is 228469. The reversal of 228468 is 864822.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228461) 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 7 ways as a sum of consecutive naturals, for example, 828 + ... + 1068.

2²²⁸⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

228468 is an abundant number, since it is smaller than the sum of its proper divisors (313612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228468 is a wasteful number, since it uses less digits than its factorization.

228468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 228468 is about 477.9832633053. The cubic root of 228468 is about 61.1329180822.

It can be divided in two parts, 228 and 468, that added together give a palindrome (696).

The spelling of 228468 in words is "two hundred twenty-eight thousand, four hundred sixty-eight".