22130443 has 4 divisors (see below), whose sum is σ = 22154760. Its totient is φ = 22106128.

The previous prime is 22130441. The next prime is 22130483. The reversal of 22130443 is 34403122.

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 22130443 - 2¹ = 22130441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22130443.

It is not an unprimeable number, because it can be changed into a prime (22130441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10738 + ... + 12631.

It is an arithmetic number, because the mean of its divisors is an integer number (5538690).

Almost surely, 2^22130443 is an apocalyptic number.

22130443 is a deficient number, since it is larger than the sum of its proper divisors (24317).

22130443 is an equidigital number, since it uses as much as digits as its factorization.

22130443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24316.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22130443 is about 4704.3004793487. The cubic root of 22130443 is about 280.7566397268.

Adding to 22130443 its reverse (34403122), we get a palindrome (56533565).

The spelling of 22130443 in words is "twenty-two million, one hundred thirty thousand, four hundred forty-three".