22135115533 has 4 divisors (see below), whose sum is σ = 22142882368. Its totient is φ = 22127348700.

The previous prime is 22135115437. The next prime is 22135115543. The reversal of 22135115533 is 33551153122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22135115533 - 2⁹ = 22135115021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22135115495 and 22135115504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135115543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3879141 + ... + 3884842.

It is an arithmetic number, because the mean of its divisors is an integer number (5535720592).

Almost surely, 2^22135115533 is an apocalyptic number.

It is an amenable number.

22135115533 is a deficient number, since it is larger than the sum of its proper divisors (7766835).

22135115533 is an equidigital number, since it uses as much as digits as its factorization.

22135115533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766834.

The product of its digits is 13500, while the sum is 31.

Adding to 22135115533 its reverse (33551153122), we get a palindrome (55686268655).

The spelling of 22135115533 in words is "twenty-two billion, one hundred thirty-five million, one hundred fifteen thousand, five hundred thirty-three".