82270 has 16 divisors (see below), whose sum is σ = 156240. Its totient is φ = 31104.
The previous prime is 82267. The next prime is 82279. The reversal of 82270 is 7228.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82279) 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, 27 + ... + 406.
It is an arithmetic number, because the mean of its divisors is an integer number (9765).
282270 is an apocalyptic number.
82270 is a deficient number, since it is larger than the sum of its proper divisors (73970).
82270 is a wasteful number, since it uses less digits than its factorization.
82270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 82270 is about 286.8274742768. The cubic root of 82270 is about 43.4924459512.
Adding to 82270 its reverse (7228), we get a palindrome (89498).
It can be divided in two parts, 8 and 2270, that added together give a triangular number (2278 = T67).
The spelling of 82270 in words is "eighty-two thousand, two hundred seventy".
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