228842 has 8 divisors (see below), whose sum is σ = 354432. Its totient is φ = 110700.

The previous prime is 228841. The next prime is 228847. The reversal of 228842 is 248822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228842.

It is not an unprimeable number, because it can be changed into a prime (228841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784 + ... + 1907.

It is an arithmetic number, because the mean of its divisors is an integer number (44304).

2²²⁸⁸⁴² is an apocalyptic number.

228842 is a deficient number, since it is larger than the sum of its proper divisors (125590).

228842 is a wasteful number, since it uses less digits than its factorization.

228842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724.

The product of its digits is 2048, while the sum is 26.

The square root of 228842 is about 478.3743304150. The cubic root of 228842 is about 61.1662579033.

The spelling of 228842 in words is "two hundred twenty-eight thousand, eight hundred forty-two".