22115841 has 8 divisors (see below), whose sum is σ = 32168544. Its totient is φ = 13403520.

The previous prime is 22115839. The next prime is 22115887. The reversal of 22115841 is 14851122.

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

It is not a de Polignac number, because 22115841 - 2¹ = 22115839 is a prime.

It is a super-2 number, since 2×22115841² = 978220846274562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22115831) 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, 335056 + ... + 335121.

It is an arithmetic number, because the mean of its divisors is an integer number (4021068).

Almost surely, 2^22115841 is an apocalyptic number.

It is an amenable number.

22115841 is a deficient number, since it is larger than the sum of its proper divisors (10052703).

22115841 is a wasteful number, since it uses less digits than its factorization.

22115841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670191.

The product of its digits is 640, while the sum is 24.

The square root of 22115841 is about 4702.7482390619. The cubic root of 22115841 is about 280.6948769859.

Adding to 22115841 its reverse (14851122), we get a palindrome (36966963).

The spelling of 22115841 in words is "twenty-two million, one hundred fifteen thousand, eight hundred forty-one".