64228 has 6 divisors (see below), whose sum is σ = 112406. Its totient is φ = 32112.
The previous prime is 64223. The next prime is 64231. The reversal of 64228 is 82246.
It can be written as a sum of positive squares in only one way, i.e., 53824 + 10404 = 232^2 + 102^2 .
It is a junction number, because it is equal to n+sod(n) for n = 64199 and 64208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8025 + ... + 8032.
264228 is an apocalyptic number.
It is an amenable number.
64228 is a deficient number, since it is larger than the sum of its proper divisors (48178).
64228 is a wasteful number, since it uses less digits than its factorization.
64228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16061 (or 16059 counting only the distinct ones).
The product of its digits is 768, while the sum is 22.
The square root of 64228 is about 253.4324367558. The cubic root of 64228 is about 40.0474437051.
It can be divided in two parts, 64 and 228, that added together give a palindrome (292).
The spelling of 64228 in words is "sixty-four thousand, two hundred twenty-eight".
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