22235305 has 4 divisors (see below), whose sum is σ = 26682372. Its totient is φ = 17788240.

The previous prime is 22235281. The next prime is 22235309. The reversal of 22235305 is 50353222.

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 15202201 + 7033104 = 3899^2 + 2652^2 .

It is not a de Polignac number, because 22235305 - 2⁷ = 22235177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22235309) 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, 2223526 + ... + 2223535.

It is an arithmetic number, because the mean of its divisors is an integer number (6670593).

Almost surely, 2^22235305 is an apocalyptic number.

It is an amenable number.

22235305 is a deficient number, since it is larger than the sum of its proper divisors (4447067).

22235305 is an equidigital number, since it uses as much as digits as its factorization.

22235305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447066.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 22235305 is about 4715.4326418686. The cubic root of 22235305 is about 281.1993831544.

Adding to 22235305 its reverse (50353222), we get a palindrome (72588527).

The spelling of 22235305 in words is "twenty-two million, two hundred thirty-five thousand, three hundred five".