22242041 has 4 divisors (see below), whose sum is σ = 22251684. Its totient is φ = 22232400.

The previous prime is 22242037. The next prime is 22242047. The reversal of 22242041 is 14024222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14024222 = 2 ⋅7012111.

It can be written as a sum of positive squares in 2 ways, for example, as 19669225 + 2572816 = 4435^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 22242041 - 2² = 22242037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22242047) 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, 911 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (5562921).

Almost surely, 2^22242041 is an apocalyptic number.

It is an amenable number.

22242041 is a deficient number, since it is larger than the sum of its proper divisors (9643).

22242041 is an equidigital number, since it uses as much as digits as its factorization.

22242041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22242041 is about 4716.1468382568. The cubic root of 22242041 is about 281.2277759559.

Adding to 22242041 its reverse (14024222), we get a palindrome (36266263).

The spelling of 22242041 in words is "twenty-two million, two hundred forty-two thousand, forty-one".