2289822 has 8 divisors (see below), whose sum is σ = 4579656. Its totient is φ = 763272.

The previous prime is 2289817. The next prime is 2289829.

2289822 is nontrivially palindromic in base 10.

2289822 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.

2289822 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289829) 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 3 ways as a sum of consecutive naturals, for example, 190813 + ... + 190824.

It is an arithmetic number, because the mean of its divisors is an integer number (572457).

2^2289822 is an apocalyptic number.

2289822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2289822 is a wasteful number, since it uses less digits than its factorization.

2289822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381642.

The product of its digits is 9216, while the sum is 33.

The square root of 2289822 is about 1513.2157810438. The cubic root of 2289822 is about 131.8056137911.

The spelling of 2289822 in words is "two million, two hundred eighty-nine thousand, eight hundred twenty-two".