220210 has 24 divisors (see below), whose sum is σ = 425196. Its totient is φ = 82080.
The previous prime is 220189. The next prime is 220217. The reversal of 220210 is 12022.
It is a happy number.
220210 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 190969 + 29241 = 437^2 + 171^2 .
It is a junction number, because it is equal to n+sod(n) for n = 220193 and 220202.
It is not an unprimeable number, because it can be changed into a prime (220217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3580 + ... + 3640.
2220210 is an apocalyptic number.
220210 is a deficient number, since it is larger than the sum of its proper divisors (204986).
220210 is a wasteful number, since it uses less digits than its factorization.
220210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106 (or 87 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 220210 is about 469.2653833387. The cubic root of 220210 is about 60.3873092937.
Adding to 220210 its reverse (12022), we get a palindrome (232232).
The spelling of 220210 in words is "two hundred twenty thousand, two hundred ten", and thus it is an iban number.
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