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2287 is a prime number
BaseRepresentation
bin100011101111
310010201
4203233
533122
614331
76445
oct4357
93121
102287
11179a
1213a7
13106c
14b95
15a27
hex8ef

2287 has 2 divisors, whose sum is σ = 2288. Its totient is φ = 2286.

The previous prime is 2281. The next prime is 2293. The reversal of 2287 is 7822.

It is a balanced prime because it is at equal distance from previous prime (2281) and next prime (2293).

It is a cyclic number.

It is not a de Polignac number, because 2287 - 211 = 239 is a prime.

It is a plaindrome in base 11 and base 16.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143 + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (1144).

22287 is an apocalyptic number.

2287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287 is an equidigital number, since it uses as much as digits as its factorization.

2287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 19.

The square root of 2287 is about 47.8225888049. The cubic root of 2287 is about 13.1751445338.

It can be divided in two parts, 228 and 7, that multiplied together give a triangular number (1596 = T56).

The spelling of 2287 in words is "two thousand, two hundred eighty-seven".