22844845 has 4 divisors (see below), whose sum is σ = 27413820. Its totient is φ = 18275872.

The previous prime is 22844813. The next prime is 22844849. The reversal of 22844845 is 54844822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5322249 + 17522596 = 2307^2 + 4186^2 .

It is a cyclic number.

It is not a de Polignac number, because 22844845 - 2⁵ = 22844813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22844849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284480 + ... + 2284489.

It is an arithmetic number, because the mean of its divisors is an integer number (6853455).

Almost surely, 2^22844845 is an apocalyptic number.

It is an amenable number.

22844845 is a deficient number, since it is larger than the sum of its proper divisors (4568975).

22844845 is an equidigital number, since it uses as much as digits as its factorization.

22844845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568974.

The product of its digits is 81920, while the sum is 37.

The square root of 22844845 is about 4779.6281236096. The cubic root of 22844845 is about 283.7457761020.

The spelling of 22844845 in words is "twenty-two million, eight hundred forty-four thousand, eight hundred forty-five".