2237 has 2 divisors, whose sum is σ = 2238.
Its totient is φ = 2236.
The previous prime is 2221. The next prime is 2239. The reversal of 2237 is 7322.
Adding to 2237 its reverse (7322), we get a palindrome (9559).
It can be divided in two parts, 2 and 237, that multiplied together give a palindrome (474).
2237 is nontrivially palindromic in base 14.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2116 + 121 = 46^2 + 11^2
It is a cyclic number.
It is not a de Polignac number, because 2237 - 24 = 2221 is a prime.
Together with 2239, it forms a pair of twin primes.
It is a Chen prime.
2237 is an undulating number in base 14.
It is a plaindrome in base 10 and base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118 + 1119.
It is an arithmetic number, because the mean of its divisors is an integer number (1119).
It is an amenable number.
2237 is a deficient number, since it is larger than the sum of its proper divisors (1).
2237 is an equidigital number, since it uses as much as digits as its factorization.
2237 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 84, while the sum is 14.
The square root of 2237 is about 47.2969343615.
The cubic root of 2237 is about 13.0784214413.
The spelling of 2237 in words is "two thousand, two hundred thirty-seven".