2288905 has 8 divisors (see below), whose sum is σ = 2793600. Its totient is φ = 1799856.

The previous prime is 2288893. The next prime is 2288927. The reversal of 2288905 is 5098822.

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

It is a cyclic number.

It is not a de Polignac number, because 2288905 - 2¹⁷ = 2157833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585 + ... + 4174.

It is an arithmetic number, because the mean of its divisors is an integer number (349200).

2^2288905 is an apocalyptic number.

It is an amenable number.

2288905 is a deficient number, since it is larger than the sum of its proper divisors (504695).

2288905 is an equidigital number, since it uses as much as digits as its factorization.

2288905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2288905 is about 1512.9127535982. The cubic root of 2288905 is about 131.7880168068.

The spelling of 2288905 in words is "two million, two hundred eighty-eight thousand, nine hundred five".