22134442234 has 4 divisors (see below), whose sum is σ = 33201663354. Its totient is φ = 11067221116.

The previous prime is 22134442229. The next prime is 22134442243. The reversal of 22134442234 is 43224443122.

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

It can be written as a sum of positive squares in only one way, i.e., 22051359009 + 83083225 = 148497^2 + 9115^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22134442196 and 22134442205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533610557 + ... + 5533610560.

Almost surely, 2^22134442234 is an apocalyptic number.

22134442234 is a deficient number, since it is larger than the sum of its proper divisors (11067221120).

22134442234 is a wasteful number, since it uses less digits than its factorization.

22134442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11067221119.

The product of its digits is 36864, while the sum is 31.

Adding to 22134442234 its reverse (43224443122), we get a palindrome (65358885356).

The spelling of 22134442234 in words is "twenty-two billion, one hundred thirty-four million, four hundred forty-two thousand, two hundred thirty-four".