22561041 has 4 divisors (see below), whose sum is σ = 30081392. Its totient is φ = 15040692.

The previous prime is 22561039. The next prime is 22561051. The reversal of 22561041 is 14016522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22561041 - 2¹ = 22561039 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22560999 and 22561017.

It is not an unprimeable number, because it can be changed into a prime (22561001) 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, 3760171 + ... + 3760176.

It is an arithmetic number, because the mean of its divisors is an integer number (7520348).

Almost surely, 2^22561041 is an apocalyptic number.

It is an amenable number.

22561041 is a deficient number, since it is larger than the sum of its proper divisors (7520351).

22561041 is an equidigital number, since it uses as much as digits as its factorization.

22561041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520350.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22561041 is about 4749.8464185698. The cubic root of 22561041 is about 282.5658749450.

Adding to 22561041 its reverse (14016522), we get a palindrome (36577563).

The spelling of 22561041 in words is "twenty-two million, five hundred sixty-one thousand, forty-one".