227806 has 4 divisors (see below), whose sum is σ = 341712. Its totient is φ = 113902.
The previous prime is 227797. The next prime is 227827. The reversal of 227806 is 608722.
227806 is nontrivially palindromic in base 12 and base 13.
It is a semiprime because it is the product of two primes.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
227806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56950 + ... + 56953.
It is an arithmetic number, because the mean of its divisors is an integer number (85428).
2227806 is an apocalyptic number.
227806 is a deficient number, since it is larger than the sum of its proper divisors (113906).
227806 is a wasteful number, since it uses less digits than its factorization.
227806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113905.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 227806 is about 477.2902680759. The cubic root of 227806 is about 61.0738155048.
The spelling of 227806 in words is "two hundred twenty-seven thousand, eight hundred six".
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