22043 has 8 divisors (see below), whose sum is σ = 26112. Its totient is φ = 18216.

The previous prime is 22039. The next prime is 22051. The reversal of 22043 is 34022.

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 22043 - 2² = 22039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22003) 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, 296 + ... + 362.

It is an arithmetic number, because the mean of its divisors is an integer number (3264).

2²²⁰⁴³ is an apocalyptic number.

22043 is a deficient number, since it is larger than the sum of its proper divisors (4069).

22043 is an equidigital number, since it uses as much as digits as its factorization.

22043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 22043 is about 148.4688519522. The cubic root of 22043 is about 28.0386371364.

Adding to 22043 its reverse (34022), we get a palindrome (56065).

The spelling of 22043 in words is "twenty-two thousand, forty-three", and thus it is an iban number.