2822681 has 2 divisors, whose sum is σ = 2822682. Its totient is φ = 2822680.

The previous prime is 2822669. The next prime is 2822689. The reversal of 2822681 is 1862282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2755600 + 67081 = 1660^2 + 259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2822681 is a prime.

It is a super-2 number, since 2×2822681² = 15935056055522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2822689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411340 + 1411341.

It is an arithmetic number, because the mean of its divisors is an integer number (1411341).

2^2822681 is an apocalyptic number.

It is an amenable number.

2822681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2822681 is an equidigital number, since it uses as much as digits as its factorization.

2822681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 29.

The square root of 2822681 is about 1680.0836288709. The cubic root of 2822681 is about 141.3255225649.

The spelling of 2822681 in words is "two million, eight hundred twenty-two thousand, six hundred eighty-one".