2287045805 has 48 divisors (see below), whose sum is σ = 3117390192. Its totient is φ = 1608499200.

The previous prime is 2287045799. The next prime is 2287045811. The reversal of 2287045805 is 5085407822.

It is an interprime number because it is at equal distance from previous prime (2287045799) and next prime (2287045811).

It can be written as a sum of positive squares in 8 ways, for example, as 342324004 + 1944721801 = 18502^2 + 44099^2 .

It is not a de Polignac number, because 2287045805 - 2⁶ = 2287045741 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3397949 + ... + 3398621.

It is an arithmetic number, because the mean of its divisors is an integer number (64945629).

Almost surely, 2^2287045805 is an apocalyptic number.

It is an amenable number.

2287045805 is a deficient number, since it is larger than the sum of its proper divisors (830344387).

2287045805 is a wasteful number, since it uses less digits than its factorization.

2287045805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 2287045805 is about 47823.0677079587. The cubic root of 2287045805 is about 1317.5232492324.

The spelling of 2287045805 in words is "two billion, two hundred eighty-seven million, forty-five thousand, eight hundred five".