2227 has 4 divisors (see below), whose sum is σ = 2376. Its totient is φ = 2080.

The previous prime is 2221. The next prime is 2237. The reversal of 2227 is 7222.

2227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2227 - 2^{7} = 2099 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as **2** + **2**^{7} + **2**^{11} + **7**^{2} .

It is a Duffinian number.

It is a plaindrome in base 10 and base 12.

It is a nialpdrome in base 7 and base 14.

It is not an unprimeable number, because it can be changed into a prime (2221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49 + ... + 82.

It is an arithmetic number, because the mean of its divisors is an integer number (594).

2^{2227} is an apocalyptic number.

2227 is a deficient number, since it is larger than the sum of its proper divisors (149).

2227 is a wasteful number, since it uses less digits than its factorization.

2227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148.

The product of its digits is 56, while the sum is 13.

The square root of 2227 is about 47.1911008560. The cubic root of 2227 is about 13.0589042933.

Adding to 2227 its reverse (7222), we get a palindrome (9449).

It can be divided in two parts, 22 and 27, that added together give a square (49 = 7^{2}).

The spelling of 2227 in words is "two thousand, two hundred twenty-seven", and thus it is an iban number.

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •