226166 has 4 divisors (see below), whose sum is σ = 339252. Its totient is φ = 113082.
The previous prime is 226141. The next prime is 226169. The reversal of 226166 is 661622.
It is a semiprime because it is the product of two primes.
It is an Ulam number.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (226169) by changing a digit.
226166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56540 + ... + 56543.
It is an arithmetic number, because the mean of its divisors is an integer number (84813).
2226166 is an apocalyptic number.
226166 is a deficient number, since it is larger than the sum of its proper divisors (113086).
226166 is a wasteful number, since it uses less digits than its factorization.
226166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113085.
The product of its digits is 864, while the sum is 23.
The square root of 226166 is about 475.5691327241. The cubic root of 226166 is about 60.9269033952.
Adding to 226166 its reverse (661622), we get a palindrome (887788).
It can be divided in two parts, 22616 and 6, that added together give a palindrome (22622).
The spelling of 226166 in words is "two hundred twenty-six thousand, one hundred sixty-six".
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