2822689 has 2 divisors, whose sum is σ = 2822690. Its totient is φ = 2822688.

The previous prime is 2822681. The next prime is 2822707. The reversal of 2822689 is 9862282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 289 = 1680^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 2822689 - 2³ = 2822681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2822681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411344 + 1411345.

It is an arithmetic number, because the mean of its divisors is an integer number (1411345).

2^2822689 is an apocalyptic number.

It is an amenable number.

2822689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2822689 is an equidigital number, since it uses as much as digits as its factorization.

2822689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 2822689 is about 1680.0860097031. The cubic root of 2822689 is about 141.3256560790.

The spelling of 2822689 in words is "two million, eight hundred twenty-two thousand, six hundred eighty-nine".