2281895 has 16 divisors (see below), whose sum is σ = 3414528. Its totient is φ = 1422240.

The previous prime is 2281891. The next prime is 2281913. The reversal of 2281895 is 5981822.

2281895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2281895 - 2² = 2281891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

2^2281895 is an apocalyptic number.

2281895 is a deficient number, since it is larger than the sum of its proper divisors (1132633).

2281895 is a wasteful number, since it uses less digits than its factorization.

2281895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its digits is 11520, while the sum is 35.

The square root of 2281895 is about 1510.5942539279. The cubic root of 2281895 is about 131.6533412425.

The spelling of 2281895 in words is "two million, two hundred eighty-one thousand, eight hundred ninety-five".