222230 has 16 divisors (see below), whose sum is σ = 406944. Its totient is φ = 87360.
The previous prime is 222199. The next prime is 222247. The reversal of 222230 is 32222.
It is a Curzon number.
It is a nialpdrome in base 12.
It is a congruent number.
It is an unprimeable number.
222230 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 in 7 ways as a sum of consecutive naturals, for example, 554 + ... + 866.
It is an arithmetic number, because the mean of its divisors is an integer number (25434).
2222230 is an apocalyptic number.
222230 is a deficient number, since it is larger than the sum of its proper divisors (184714).
222230 is a wasteful number, since it uses less digits than its factorization.
222230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 222230 is about 471.4127702980. The cubic root of 222230 is about 60.5713930775.
Adding to 222230 its reverse (32222), we get a palindrome (254452).
The spelling of 222230 in words is "two hundred twenty-two thousand, two hundred thirty".
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