228174 has 16 divisors (see below), whose sum is σ = 483408. Its totient is φ = 71552.

The previous prime is 228139. The next prime is 228181. The reversal of 228174 is 471822.

228174 = 21² + 22² + ... + 88².

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (30213).

2²²⁸¹⁷⁴ is an apocalyptic number.

228174 is an abundant number, since it is smaller than the sum of its proper divisors (255234).

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

228174 is a wasteful number, since it uses less digits than its factorization.

228174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259.

The product of its digits is 896, while the sum is 24.

The square root of 228174 is about 477.6756221538. The cubic root of 228174 is about 61.1066842217.

Subtracting from 228174 its sum of digits (24), we obtain a triangular number (228150 = T₆₇₅).

Adding to 228174 its reverse (471822), we get a palindrome (699996).

The spelling of 228174 in words is "two hundred twenty-eight thousand, one hundred seventy-four".