22000134443 has 4 divisors (see below), whose sum is σ = 25143010800. Its totient is φ = 18857258088.

The previous prime is 22000134437. The next prime is 22000134487. The reversal of 22000134443 is 34443100022.

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 22000134443 - 2⁴ = 22000134427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000134493) 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, 1571438168 + ... + 1571438181.

It is an arithmetic number, because the mean of its divisors is an integer number (6285752700).

Almost surely, 2^22000134443 is an apocalyptic number.

22000134443 is a deficient number, since it is larger than the sum of its proper divisors (3142876357).

22000134443 is an equidigital number, since it uses as much as digits as its factorization.

22000134443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142876356.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22000134443 its reverse (34443100022), we get a palindrome (56443234465).

The spelling of 22000134443 in words is "twenty-two billion, one hundred thirty-four thousand, four hundred forty-three".