22113443 has 8 divisors (see below), whose sum is σ = 24430080. Its totient is φ = 19847880.

The previous prime is 22113439. The next prime is 22113449. The reversal of 22113443 is 34431122.

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

It is a cyclic number.

It is not a de Polignac number, because 22113443 - 2² = 22113439 is a prime.

It is a super-2 number, since 2×22113443² = 978008722628498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113449) 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, 11855 + ... + 13592.

It is an arithmetic number, because the mean of its divisors is an integer number (3053760).

Almost surely, 2^22113443 is an apocalyptic number.

22113443 is a deficient number, since it is larger than the sum of its proper divisors (2316637).

22113443 is a wasteful number, since it uses less digits than its factorization.

22113443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25537.

The product of its digits is 576, while the sum is 20.

The square root of 22113443 is about 4702.4932748490. The cubic root of 22113443 is about 280.6847314581.

Adding to 22113443 its reverse (34431122), we get a palindrome (56544565).

The spelling of 22113443 in words is "twenty-two million, one hundred thirteen thousand, four hundred forty-three".