2259855 has 24 divisors (see below), whose sum is σ = 4219488. Its totient is φ = 1112256.

The previous prime is 2259853. The next prime is 2259863. The reversal of 2259855 is 5589522.

It is not a de Polignac number, because 2259855 - 2¹ = 2259853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259853) 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 23 ways as a sum of consecutive naturals, for example, 1347 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (175812).

2^2259855 is an apocalyptic number.

2259855 is a deficient number, since it is larger than the sum of its proper divisors (1959633).

2259855 is a wasteful number, since it uses less digits than its factorization.

2259855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3884 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2259855 is about 1503.2814107811. The cubic root of 2259855 is about 131.2281051913.

The spelling of 2259855 in words is "two million, two hundred fifty-nine thousand, eight hundred fifty-five".