2887221585 has 16 divisors (see below), whose sum is σ = 4778850240. Its totient is φ = 1486752960.

The previous prime is 2887221583. The next prime is 2887221593. The reversal of 2887221585 is 5851227882.

It is not a de Polignac number, because 2887221585 - 2¹ = 2887221583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2887221583) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3318211 + ... + 3319080.

It is an arithmetic number, because the mean of its divisors is an integer number (298678140).

Almost surely, 2^2887221585 is an apocalyptic number.

It is an amenable number.

2887221585 is a deficient number, since it is larger than the sum of its proper divisors (1891628655).

2887221585 is a wasteful number, since it uses less digits than its factorization.

2887221585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6637328.

The product of its digits is 716800, while the sum is 48.

The square root of 2887221585 is about 53732.8724804472. The cubic root of 2887221585 is about 1423.9455147443.

The spelling of 2887221585 in words is "two billion, eight hundred eighty-seven million, two hundred twenty-one thousand, five hundred eighty-five".