2287705 has 16 divisors (see below), whose sum is σ = 3164544. Its totient is φ = 1555200.

The previous prime is 2287699. The next prime is 2287739. The reversal of 2287705 is 5077822.

It is not a de Polignac number, because 2287705 - 2⁷ = 2287577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5505 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (197784).

2^2287705 is an apocalyptic number.

It is an amenable number.

2287705 is a deficient number, since it is larger than the sum of its proper divisors (876839).

2287705 is a wasteful number, since it uses less digits than its factorization.

2287705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2287705 is about 1512.5161156166. The cubic root of 2287705 is about 131.7649820274.

It can be divided in two parts, 2287 and 705, that added together give a palindrome (2992).

The spelling of 2287705 in words is "two million, two hundred eighty-seven thousand, seven hundred five".