228295 has 4 divisors (see below), whose sum is σ = 273960. Its totient is φ = 182632.
The previous prime is 228281. The next prime is 228299. The reversal of 228295 is 592822.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 228295 - 215 = 195527 is a prime.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228299) 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, 22825 + ... + 22834.
It is an arithmetic number, because the mean of its divisors is an integer number (68490).
2228295 is an apocalyptic number.
228295 is a deficient number, since it is larger than the sum of its proper divisors (45665).
228295 is an equidigital number, since it uses as much as digits as its factorization.
228295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45664.
The product of its digits is 2880, while the sum is 28.
The square root of 228295 is about 477.8022603546. The cubic root of 228295 is about 61.1174838778.
The spelling of 228295 in words is "two hundred twenty-eight thousand, two hundred ninety-five".
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