22144441 has 8 divisors (see below), whose sum is σ = 24719904. Its totient is φ = 19662720.

The previous prime is 22144439. The next prime is 22144453. The reversal of 22144441 is 14444122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22144441 - 2¹ = 22144439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22144471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22936 + ... + 23881.

It is an arithmetic number, because the mean of its divisors is an integer number (3089988).

Almost surely, 2^22144441 is an apocalyptic number.

It is an amenable number.

22144441 is a deficient number, since it is larger than the sum of its proper divisors (2575463).

22144441 is a wasteful number, since it uses less digits than its factorization.

22144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46871.

The product of its digits is 1024, while the sum is 22.

The square root of 22144441 is about 4705.7880317753. The cubic root of 22144441 is about 280.8158222011.

Adding to 22144441 its reverse (14444122), we get a palindrome (36588563).

The spelling of 22144441 in words is "twenty-two million, one hundred forty-four thousand, four hundred forty-one".