22135115534 has 32 divisors (see below), whose sum is σ = 39489569280. Its totient is φ = 9104483808.

The previous prime is 22135115437. The next prime is 22135115543. The reversal of 22135115534 is 43551153122.

It is a self number, because there is not a number n which added to its sum of digits gives 22135115534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95432 + ... + 231035.

It is an arithmetic number, because the mean of its divisors is an integer number (1234049040).

Almost surely, 2^22135115534 is an apocalyptic number.

22135115534 is a deficient number, since it is larger than the sum of its proper divisors (17354453746).

22135115534 is a wasteful number, since it uses less digits than its factorization.

22135115534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326672.

The product of its digits is 18000, while the sum is 32.

Adding to 22135115534 its reverse (43551153122), we get a palindrome (65686268656).

The spelling of 22135115534 in words is "twenty-two billion, one hundred thirty-five million, one hundred fifteen thousand, five hundred thirty-four".