22043441 has 16 divisors (see below), whose sum is σ = 27060480. Its totient is φ = 17525760.

The previous prime is 22043419. The next prime is 22043443. The reversal of 22043441 is 14434022.

It is not a de Polignac number, because 22043441 - 2⁶ = 22043377 is a prime.

It is a super-4 number, since 4×22043441⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22043443) 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 15 ways as a sum of consecutive naturals, for example, 7145 + ... + 9753.

It is an arithmetic number, because the mean of its divisors is an integer number (1691280).

Almost surely, 2^22043441 is an apocalyptic number.

It is an amenable number.

22043441 is a deficient number, since it is larger than the sum of its proper divisors (5017039).

22043441 is a wasteful number, since it uses less digits than its factorization.

22043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22043441 is about 4695.0443022404. The cubic root of 22043441 is about 280.3882411873.

Adding to 22043441 its reverse (14434022), we get a palindrome (36477463).

The spelling of 22043441 in words is "twenty-two million, forty-three thousand, four hundred forty-one".