22041441 has 12 divisors (see below), whose sum is σ = 32120868. Its totient is φ = 14563584.

The previous prime is 22041433. The next prime is 22041443. The reversal of 22041441 is 14414022.

22041441 is a `hidden beast` number, since 220 + 4 + 1 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11289600 + 10751841 = 3360^2 + 3279^2 .

It is not a de Polignac number, because 22041441 - 2³ = 22041433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22041443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9820 + ... + 11853.

It is an arithmetic number, because the mean of its divisors is an integer number (2676739).

Almost surely, 2^22041441 is an apocalyptic number.

It is an amenable number.

22041441 is a deficient number, since it is larger than the sum of its proper divisors (10079427).

22041441 is a wasteful number, since it uses less digits than its factorization.

22041441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21792 (or 21789 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22041441 is about 4694.8313068735. The cubic root of 22041441 is about 280.3797610617.

Adding to 22041441 its reverse (14414022), we get a palindrome (36455463).

The spelling of 22041441 in words is "twenty-two million, forty-one thousand, four hundred forty-one".