2285748891 has 6 divisors (see below), whose sum is σ = 3301637300. Its totient is φ = 1523832588.

The previous prime is 2285748851. The next prime is 2285748919. The reversal of 2285748891 is 1988475822.

2285748891 is a `hidden beast` number, since 2 + 28 + 57 + 488 + 91 = 666.

It is not a de Polignac number, because 2285748891 - 2¹⁵ = 2285716123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2285748851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126986041 + ... + 126986058.

Almost surely, 2^2285748891 is an apocalyptic number.

2285748891 is a deficient number, since it is larger than the sum of its proper divisors (1015888409).

2285748891 is a wasteful number, since it uses less digits than its factorization.

2285748891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253972105 (or 253972102 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 2285748891 is about 47809.5062827467. The cubic root of 2285748891 is about 1317.2741597109.

The spelling of 2285748891 in words is "two billion, two hundred eighty-five million, seven hundred forty-eight thousand, eight hundred ninety-one".