2247287 has 6 divisors (see below), whose sum is σ = 2614248. Its totient is φ = 1926204.

The previous prime is 2247277. The next prime is 2247293. The reversal of 2247287 is 7827422.

It is a happy number.

2247287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2247287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22883 + ... + 22980.

It is an arithmetic number, because the mean of its divisors is an integer number (435708).

2^2247287 is an apocalyptic number.

2247287 is a deficient number, since it is larger than the sum of its proper divisors (366961).

2247287 is an equidigital number, since it uses as much as digits as its factorization.

2247287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45877 (or 45870 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 2247287 is about 1499.0953938959. The cubic root of 2247287 is about 130.9843813324.

The spelling of 2247287 in words is "two million, two hundred forty-seven thousand, two hundred eighty-seven".