228578 has 16 divisors (see below), whose sum is σ = 406080. Its totient is φ = 94416.

The previous prime is 228577. The next prime is 228581. The reversal of 228578 is 875822.

It is not an unprimeable number, because it can be changed into a prime (228577) 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, 125 + ... + 687.

It is an arithmetic number, because the mean of its divisors is an integer number (25380).

2²²⁸⁵⁷⁸ is an apocalyptic number.

228578 is a deficient number, since it is larger than the sum of its proper divisors (177502).

228578 is a wasteful number, since it uses less digits than its factorization.

228578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its digits is 8960, while the sum is 32.

The square root of 228578 is about 478.0983162489. The cubic root of 228578 is about 61.1427276865.

The spelling of 228578 in words is "two hundred twenty-eight thousand, five hundred seventy-eight".