22113441 has 24 divisors (see below), whose sum is σ = 36953280. Its totient is φ = 12481056.

The previous prime is 22113439. The next prime is 22113449. The reversal of 22113441 is 14431122.

22113441 is a `hidden beast` number, since 221 + 1 + 3 + 441 = 666.

It is not a de Polignac number, because 22113441 - 2¹ = 22113439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22113449) 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 23 ways as a sum of consecutive naturals, for example, 3115 + ... + 7343.

It is an arithmetic number, because the mean of its divisors is an integer number (1539720).

Almost surely, 2^22113441 is an apocalyptic number.

22113441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22113441 is a deficient number, since it is larger than the sum of its proper divisors (14839839).

22113441 is a wasteful number, since it uses less digits than its factorization.

22113441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325 (or 4322 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 22113441 is about 4702.4930621958. The cubic root of 22113441 is about 280.6847229961.

Adding to 22113441 its reverse (14431122), we get a palindrome (36544563).

The spelling of 22113441 in words is "twenty-two million, one hundred thirteen thousand, four hundred forty-one".