22808443 has 4 divisors (see below), whose sum is σ = 26066800. Its totient is φ = 19550088.

The previous prime is 22808419. The next prime is 22808459. The reversal of 22808443 is 34480822.

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

It is a cyclic number.

It is not a de Polignac number, because 22808443 - 2⁵ = 22808411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22808143) 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, 1629168 + ... + 1629181.

It is an arithmetic number, because the mean of its divisors is an integer number (6516700).

Almost surely, 2^22808443 is an apocalyptic number.

22808443 is a deficient number, since it is larger than the sum of its proper divisors (3258357).

22808443 is an equidigital number, since it uses as much as digits as its factorization.

22808443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258356.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 22808443 is about 4775.8185685807. The cubic root of 22808443 is about 283.5949849018.

The spelling of 22808443 in words is "twenty-two million, eight hundred eight thousand, four hundred forty-three".