22135434512 has 20 divisors (see below), whose sum is σ = 42890000400. Its totient is φ = 11067047328.

The previous prime is 22135434509. The next prime is 22135434533. The reversal of 22135434512 is 21543453122.

It is a super-2 number, since 2×22135434512² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 331739 + ... + 392837.

It is an arithmetic number, because the mean of its divisors is an integer number (2144500020).

Almost surely, 2^22135434512 is an apocalyptic number.

It is an amenable number.

22135434512 is a deficient number, since it is larger than the sum of its proper divisors (20754565888).

22135434512 is a wasteful number, since it uses less digits than its factorization.

22135434512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83750 (or 83744 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 22135434512 its reverse (21543453122), we get a palindrome (43678887634).

The spelling of 22135434512 in words is "twenty-two billion, one hundred thirty-five million, four hundred thirty-four thousand, five hundred twelve".