2281835 has 4 divisors (see below), whose sum is σ = 2738208. Its totient is φ = 1825464.

The previous prime is 2281831. The next prime is 2281861. The reversal of 2281835 is 5381822.

2281835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5381822 = 2 ⋅2690911.

It is a cyclic number.

It is not a de Polignac number, because 2281835 - 2² = 2281831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2281798 and 2281807.

It is not an unprimeable number, because it can be changed into a prime (2281831) 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 3 ways as a sum of consecutive naturals, for example, 228179 + ... + 228188.

It is an arithmetic number, because the mean of its divisors is an integer number (684552).

2^2281835 is an apocalyptic number.

2281835 is a deficient number, since it is larger than the sum of its proper divisors (456373).

2281835 is an equidigital number, since it uses as much as digits as its factorization.

2281835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456372.

The product of its digits is 3840, while the sum is 29.

The square root of 2281835 is about 1510.5743940634. The cubic root of 2281835 is about 131.6521873376.

The spelling of 2281835 in words is "two million, two hundred eighty-one thousand, eight hundred thirty-five".