228459 has 32 divisors (see below), whose sum is σ = 405504. Its totient is φ = 110880.
The previous prime is 228457. The next prime is 228461. The reversal of 228459 is 954822.
It is an interprime number because it is at equal distance from previous prime (228457) and next prime (228461).
It is not a de Polignac number, because 228459 - 21 = 228457 is a prime.
It is not an unprimeable number, because it can be changed into a prime (228451) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5292 + ... + 5334.
It is an arithmetic number, because the mean of its divisors is an integer number (12672).
2228459 is an apocalyptic number.
228459 is a deficient number, since it is larger than the sum of its proper divisors (177045).
228459 is a wasteful number, since it uses less digits than its factorization.
228459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87.
The product of its digits is 5760, while the sum is 30.
The square root of 228459 is about 477.9738486570. The cubic root of 228459 is about 61.1321153388.
The spelling of 228459 in words is "two hundred twenty-eight thousand, four hundred fifty-nine".
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