2257885 has 16 divisors (see below), whose sum is σ = 3197952. Its totient is φ = 1497600.

The previous prime is 2257883. The next prime is 2257909. The reversal of 2257885 is 5887522.

It is not a de Polignac number, because 2257885 - 2¹ = 2257883 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹³ + 5⁴ + 7 + 8⁵ + 8⁶ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257883) 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, 45 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (199872).

2^2257885 is an apocalyptic number.

It is an amenable number.

2257885 is a deficient number, since it is larger than the sum of its proper divisors (940067).

2257885 is a wasteful number, since it uses less digits than its factorization.

2257885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its digits is 44800, while the sum is 37.

The square root of 2257885 is about 1502.6260346473. The cubic root of 2257885 is about 131.1899619588.

The spelling of 2257885 in words is "two million, two hundred fifty-seven thousand, eight hundred eighty-five".