2281833 has 6 divisors (see below), whose sum is σ = 3295994. Its totient is φ = 1521216.

The previous prime is 2281831. The next prime is 2281861. The reversal of 2281833 is 3381822.

It can be written as a sum of positive squares in only one way, i.e., 1411344 + 870489 = 1188^2 + 933^2 .

It is not a de Polignac number, because 2281833 - 2¹ = 2281831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2281797 and 2281806.

It is not an unprimeable number, because it can be changed into a prime (2281831) 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, 126760 + ... + 126777.

2^2281833 is an apocalyptic number.

It is an amenable number.

2281833 is a deficient number, since it is larger than the sum of its proper divisors (1014161).

2281833 is a wasteful number, since it uses less digits than its factorization.

2281833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253543 (or 253540 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2281833 is about 1510.5737320634. The cubic root of 2281833 is about 131.6521488738.

The spelling of 2281833 in words is "two million, two hundred eighty-one thousand, eight hundred thirty-three".