2287871 has 2 divisors, whose sum is σ = 2287872. Its totient is φ = 2287870.

The previous prime is 2287861. The next prime is 2287891. The reversal of 2287871 is 1787822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2287871 - 2⁶ = 2287807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2287811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143935 + 1143936.

It is an arithmetic number, because the mean of its divisors is an integer number (1143936).

2^2287871 is an apocalyptic number.

2287871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287871 is an equidigital number, since it uses as much as digits as its factorization.

2287871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 35.

The square root of 2287871 is about 1512.5709900696. The cubic root of 2287871 is about 131.7681689852.

The spelling of 2287871 in words is "two million, two hundred eighty-seven thousand, eight hundred seventy-one".