202201 has 2 divisors, whose sum is σ = 202202. Its totient is φ = 202200.
The previous prime is 202187. The next prime is 202219. The reversal of 202201 is 102202.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 126025 + 76176 = 355^2 + 276^2 .
It is a cyclic number.
It is not a de Polignac number, because 202201 - 211 = 200153 is a prime.
It is not a weakly prime, because it can be changed into another prime (202231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100 + 101101.
It is an arithmetic number, because the mean of its divisors is an integer number (101101).
2202201 is an apocalyptic number.
It is an amenable number.
202201 is a deficient number, since it is larger than the sum of its proper divisors (1).
202201 is an equidigital number, since it uses as much as digits as its factorization.
202201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 202201 is about 449.6676550520. The cubic root of 202201 is about 58.6940980245.
Adding to 202201 its reverse (102202), we get a palindrome (304403).
Subtracting from 202201 its reverse (102202), we obtain a palindrome (99999).
The spelling of 202201 in words is "two hundred two thousand, two hundred one", and thus it is an iban number.
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