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BaseRepresentation
bin100011000111
310002020
4203013
532442
614223
76360
oct4307
93066
102247
111763
121373
13103b
14b67
159ec
hex8c7

2247 has 8 divisors (see below), whose sum is σ = 3456. Its totient is φ = 1272.

The previous prime is 2243. The next prime is 2251. The reversal of 2247 is 7422.

Adding to 2247 its reverse (7422), we get a palindrome (9669).

It can be divided in two parts, 224 and 7, that added together give a triangular number (231 = T21).

2247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2243) and next prime (2251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2247 - 22 = 2243 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 27 + 43 + 211 + 7 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33 + ... + 74.

It is an arithmetic number, because the mean of its divisors is an integer number (432).

22247 is an apocalyptic number.

2247 is a deficient number, since it is larger than the sum of its proper divisors (1209).

2247 is a wasteful number, since it uses less digits than its factorization.

2247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117.

The product of its digits is 112, while the sum is 15.

The square root of 2247 is about 47.4025315780. The cubic root of 2247 is about 13.0978805110.

The spelling of 2247 in words is "two thousand, two hundred forty-seven", and thus it is an iban number.

Divisors: 1 3 7 21 107 321 749 2247