164228 has 6 divisors (see below), whose sum is σ = 287406. Its totient is φ = 82112.
The previous prime is 164209. The next prime is 164231. The reversal of 164228 is 822461.
It can be written as a sum of positive squares in only one way, i.e., 107584 + 56644 = 328^2 + 238^2 .
It is a plaindrome in base 13.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20525 + ... + 20532.
It is an arithmetic number, because the mean of its divisors is an integer number (47901).
2164228 is an apocalyptic number.
It is an amenable number.
164228 is a deficient number, since it is larger than the sum of its proper divisors (123178).
164228 is a wasteful number, since it uses less digits than its factorization.
164228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41061 (or 41059 counting only the distinct ones).
The product of its digits is 768, while the sum is 23.
The square root of 164228 is about 405.2505397899. The cubic root of 164228 is about 54.7623909460.
Adding to 164228 its reverse (822461), we get a palindrome (986689).
The spelling of 164228 in words is "one hundred sixty-four thousand, two hundred twenty-eight".
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