228204 has 24 divisors (see below), whose sum is σ = 591920. Its totient is φ = 76032.
The previous prime is 228203. The next prime is 228211. The reversal of 228204 is 402822.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (228203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949 + ... + 1164.
2228204 is an apocalyptic number.
It is an amenable number.
228204 is an abundant number, since it is smaller than the sum of its proper divisors (363716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228204 is a wasteful number, since it uses less digits than its factorization.
228204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2126 (or 2118 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 228204 is about 477.7070231847. The cubic root of 228204 is about 61.1093621783.
The spelling of 228204 in words is "two hundred twenty-eight thousand, two hundred four".
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