22134432231 has 12 divisors (see below), whose sum is σ = 32301566752. Its totient is φ = 14604160896.

The previous prime is 22134432217. The next prime is 22134432289. The reversal of 22134432231 is 13223443122.

22134432231 is a `hidden beast` number, since 2 + 213 + 443 + 2 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 22134432231 - 2⁶ = 22134432167 is a prime.

It is a super-2 number, since 2×22134432231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22134432195 and 22134432204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134432731) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12676351 + ... + 12678096.

Almost surely, 2^22134432231 is an apocalyptic number.

22134432231 is a deficient number, since it is larger than the sum of its proper divisors (10167134521).

22134432231 is a wasteful number, since it uses less digits than its factorization.

22134432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25354550 (or 25354547 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 22134432231 its reverse (13223443122), we get a palindrome (35357875353).

The spelling of 22134432231 in words is "twenty-two billion, one hundred thirty-four million, four hundred thirty-two thousand, two hundred thirty-one".