22622265 has 12 divisors (see below), whose sum is σ = 39212004. Its totient is φ = 12065184.

The previous prime is 22622263. The next prime is 22622269. The reversal of 22622265 is 56222622.

It can be written as a sum of positive squares in 2 ways, for example, as 17943696 + 4678569 = 4236^2 + 2163^2 .

It is not a de Polignac number, because 22622265 - 2¹ = 22622263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22622263) 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 11 ways as a sum of consecutive naturals, for example, 251314 + ... + 251403.

It is an arithmetic number, because the mean of its divisors is an integer number (3267667).

Almost surely, 2^22622265 is an apocalyptic number.

It is an amenable number.

22622265 is a deficient number, since it is larger than the sum of its proper divisors (16589739).

22622265 is a wasteful number, since it uses less digits than its factorization.

22622265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502728 (or 502725 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22622265 is about 4756.2868921040. The cubic root of 22622265 is about 282.8212441870.

Adding to 22622265 its reverse (56222622), we get a palindrome (78844887).

The spelling of 22622265 in words is "twenty-two million, six hundred twenty-two thousand, two hundred sixty-five".