22111234434 has 12 divisors (see below), whose sum is σ = 47907674646. Its totient is φ = 7370411472.

The previous prime is 22111234417. The next prime is 22111234489. The reversal of 22111234434 is 43443211122.

22111234434 is a `hidden beast` number, since 2 + 211 + 1 + 2 + 3 + 443 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20435560209 + 1675674225 = 142953^2 + 40935^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22111234398 and 22111234407.

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 in 5 ways as a sum of consecutive naturals, for example, 614200939 + ... + 614200974.

Almost surely, 2^22111234434 is an apocalyptic number.

22111234434 is an abundant number, since it is smaller than the sum of its proper divisors (25796440212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111234434 is a wasteful number, since it uses less digits than its factorization.

22111234434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228401921 (or 1228401918 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 22111234434 its reverse (43443211122), we get a palindrome (65554445556).

The spelling of 22111234434 in words is "twenty-two billion, one hundred eleven million, two hundred thirty-four thousand, four hundred thirty-four".