228152 has 24 divisors (see below), whose sum is σ = 457200. Its totient is φ = 106704.

The previous prime is 228139. The next prime is 228181. The reversal of 228152 is 251822.

228152 = T₃₃ + T₃₄ + ... + T₁₁₁.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228152.

It is an unprimeable number.

228152 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 2849 + ... + 2927.

It is an arithmetic number, because the mean of its divisors is an integer number (19050).

2²²⁸¹⁵² is an apocalyptic number.

It is an amenable number.

228152 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228152 is a wasteful number, since it uses less digits than its factorization.

228152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 100 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 228152 is about 477.6525934191. The cubic root of 228152 is about 61.1047202377.

Adding to 228152 its reverse (251822), we get a palindrome (479974).

The spelling of 228152 in words is "two hundred twenty-eight thousand, one hundred fifty-two".