22631435135 has 32 divisors (see below), whose sum is σ = 30260736000. Its totient is φ = 16175569536.

The previous prime is 22631435129. The next prime is 22631435137. The reversal of 22631435135 is 53153413622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22631435135 - 2³² = 18336467839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22631435095 and 22631435104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22631435137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22946 + ... + 213984.

It is an arithmetic number, because the mean of its divisors is an integer number (945648000).

Almost surely, 2^22631435135 is an apocalyptic number.

22631435135 is a deficient number, since it is larger than the sum of its proper divisors (7629300865).

22631435135 is a wasteful number, since it uses less digits than its factorization.

22631435135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191135.

The product of its digits is 64800, while the sum is 35.

Adding to 22631435135 its reverse (53153413622), we get a palindrome (75784848757).

The spelling of 22631435135 in words is "twenty-two billion, six hundred thirty-one million, four hundred thirty-five thousand, one hundred thirty-five".