2822509 has 8 divisors (see below), whose sum is σ = 2899520. Its totient is φ = 2746656.

The previous prime is 2822503. The next prime is 2822513. The reversal of 2822509 is 9052282.

2822509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2822509 - 2⁷ = 2822381 is a prime.

It is a Duffinian number.

2822509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6697 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (362440).

2^2822509 is an apocalyptic number.

It is an amenable number.

2822509 is a deficient number, since it is larger than the sum of its proper divisors (77011).

2822509 is a wasteful number, since it uses less digits than its factorization.

2822509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2822509 is about 1680.0324401630. The cubic root of 2822509 is about 141.3226519508.

The spelling of 2822509 in words is "two million, eight hundred twenty-two thousand, five hundred nine".