22032443 has 4 divisors (see below), whose sum is σ = 22250688. Its totient is φ = 21814200.

The previous prime is 22032377. The next prime is 22032449. The reversal of 22032443 is 34423022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22032443 - 2¹⁰ = 22031419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22032449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108971 + ... + 109172.

It is an arithmetic number, because the mean of its divisors is an integer number (5562672).

Almost surely, 2^22032443 is an apocalyptic number.

22032443 is a deficient number, since it is larger than the sum of its proper divisors (218245).

22032443 is a wasteful number, since it uses less digits than its factorization.

22032443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218244.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 22032443 is about 4693.8729211601. The cubic root of 22032443 is about 280.3416026299.

Adding to 22032443 its reverse (34423022), we get a palindrome (56455465).

The spelling of 22032443 in words is "twenty-two million, thirty-two thousand, four hundred forty-three".