232281 has 16 divisors (see below), whose sum is σ = 393600. Its totient is φ = 132624.
The previous prime is 232259. The next prime is 232303. The reversal of 232281 is 182232.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (232259) and next prime (232303).
It is not a de Polignac number, because 232281 - 26 = 232217 is a prime.
It is a super-2 number, since 2×2322812 = 107908925922, which contains 22 as substring.
232281 is a lucky number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 232281.
It is not an unprimeable number, because it can be changed into a prime (232081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426 + ... + 803.
It is an arithmetic number, because the mean of its divisors is an integer number (24600).
2232281 is an apocalyptic number.
232281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
232281 is a deficient number, since it is larger than the sum of its proper divisors (161319).
232281 is a wasteful number, since it uses less digits than its factorization.
232281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1245 (or 1239 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 232281 is about 481.9553921267. The cubic root of 232281 is about 61.4711345801.
It can be divided in two parts, 23 and 2281, that added together give a square (2304 = 482).
The spelling of 232281 in words is "two hundred thirty-two thousand, two hundred eighty-one".
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