2282081 has 2 divisors, whose sum is σ = 2282082. Its totient is φ = 2282080.

The previous prime is 2282069. The next prime is 2282089. The reversal of 2282081 is 1802822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 781456 = 1225^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2282081 - 2⁶ = 2282017 is a prime.

It is a super-2 number, since 2×2282081² = 10415787381122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2282089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141040 + 1141041.

It is an arithmetic number, because the mean of its divisors is an integer number (1141041).

2^2282081 is an apocalyptic number.

It is an amenable number.

2282081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2282081 is an equidigital number, since it uses as much as digits as its factorization.

2282081 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2282081 is about 1510.6558178487. The cubic root of 2282081 is about 131.6569182193.

The spelling of 2282081 in words is "two million, two hundred eighty-two thousand, eighty-one".