228524 has 6 divisors (see below), whose sum is σ = 399924. Its totient is φ = 114260.

The previous prime is 228523. The next prime is 228539. The reversal of 228524 is 425822.

It is a self number, because there is not a number n which added to its sum of digits gives 228524.

It is not an unprimeable number, because it can be changed into a prime (228521) 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 as a sum of consecutive naturals, namely, 28562 + ... + 28569.

It is an arithmetic number, because the mean of its divisors is an integer number (66654).

2²²⁸⁵²⁴ is an apocalyptic number.

It is an amenable number.

228524 is a deficient number, since it is larger than the sum of its proper divisors (171400).

228524 is a wasteful number, since it uses less digits than its factorization.

228524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57135 (or 57133 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 228524 is about 478.0418391731. The cubic root of 228524 is about 61.1379124559.

The spelling of 228524 in words is "two hundred twenty-eight thousand, five hundred twenty-four".