22411265 has 4 divisors (see below), whose sum is σ = 26893524. Its totient is φ = 17929008.

The previous prime is 22411261. The next prime is 22411267. The reversal of 22411265 is 56211422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56211422 = 2 ⋅28105711.

It can be written as a sum of positive squares in 2 ways, for example, as 13512976 + 8898289 = 3676^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 22411265 - 2² = 22411261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22411265.

It is not an unprimeable number, because it can be changed into a prime (22411261) 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, 2241122 + ... + 2241131.

It is an arithmetic number, because the mean of its divisors is an integer number (6723381).

Almost surely, 2^22411265 is an apocalyptic number.

It is an amenable number.

22411265 is a deficient number, since it is larger than the sum of its proper divisors (4482259).

22411265 is an equidigital number, since it uses as much as digits as its factorization.

22411265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482258.

The product of its digits is 960, while the sum is 23.

The square root of 22411265 is about 4734.0537597285. The cubic root of 22411265 is about 281.9391960182.

Adding to 22411265 its reverse (56211422), we get a palindrome (78622687).

The spelling of 22411265 in words is "twenty-two million, four hundred eleven thousand, two hundred sixty-five".