2207 has 2 divisors, whose sum is σ = 2208. Its totient is φ = 2206.

The previous prime is 2203. The next prime is 2213. The reversal of 2207 is 7022.

Adding to 2207 its reverse (7022), we get a palindrome (9229).

It can be divided in two parts, 220 and 7, that multiplied together give a triangular number (1540 = T_{55}).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2207 - 2^{2} = 2203 is a prime.

It is a Chen prime.

2207 is a Gilda number.

It is a Lucas number.

It is a plaindrome in base 12 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 2207.

It is not a weakly prime, because it can be changed into another prime (2203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103 + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (1104).

2207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207 is an equidigital number, since it uses as much as digits as its factorization.

2207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 2207 is about 46.9787185862. The cubic root of 2207 is about 13.0196940159.

The spelling of 2207 in words is "two thousand, two hundred seven", and thus it is an iban number.

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.056 sec. • engine limits •