2082281 has 2 divisors, whose sum is σ = 2082282. Its totient is φ = 2082280.

The previous prime is 2082257. The next prime is 2082341. The reversal of 2082281 is 1822802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 839056 = 1115^2 + 916^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082281 - 2¹⁴ = 2065897 is a prime.

It is a super-2 number, since 2×2082281² = 8671788325922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2082181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041140 + 1041141.

It is an arithmetic number, because the mean of its divisors is an integer number (1041141).

2^2082281 is an apocalyptic number.

It is an amenable number.

2082281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2082281 is an equidigital number, since it uses as much as digits as its factorization.

2082281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2082281 is about 1443.0110879685. The cubic root of 2082281 is about 127.6967307649.

The spelling of 2082281 in words is "two million, eighty-two thousand, two hundred eighty-one".