220271 has 8 divisors (see below), whose sum is σ = 235104. Its totient is φ = 205920.
The previous prime is 220243. The next prime is 220279. The reversal of 220271 is 172022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-220271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220271.
It is not an unprimeable number, because it can be changed into a prime (220279) 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, 1325 + ... + 1481.
It is an arithmetic number, because the mean of its divisors is an integer number (29388).
2220271 is an apocalyptic number.
220271 is a deficient number, since it is larger than the sum of its proper divisors (14833).
220271 is a wasteful number, since it uses less digits than its factorization.
220271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241.
The product of its (nonzero) digits is 56, while the sum is 14.
The square root of 220271 is about 469.3303740437. The cubic root of 220271 is about 60.3928847078.
Adding to 220271 its reverse (172022), we get a palindrome (392293).
The spelling of 220271 in words is "two hundred twenty thousand, two hundred seventy-one", and thus it is an iban number.
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