22135938849 has 32 divisors (see below), whose sum is σ = 33423360000. Its totient is φ = 14475927312.

The previous prime is 22135938841. The next prime is 22135938859. The reversal of 22135938849 is 94883953122.

22135938849 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 593 + 8 + 8 + 49 = 666.

It is not a de Polignac number, because 22135938849 - 2³ = 22135938841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22135938795 and 22135938804.

It is not an unprimeable number, because it can be changed into a prime (22135938841) 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, 406752 + ... + 457950.

It is an arithmetic number, because the mean of its divisors is an integer number (1044480000).

Almost surely, 2^22135938849 is an apocalyptic number.

It is an amenable number.

22135938849 is a deficient number, since it is larger than the sum of its proper divisors (11287421151).

22135938849 is a wasteful number, since it uses less digits than its factorization.

22135938849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51514 (or 51508 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 22135938849 in words is "twenty-two billion, one hundred thirty-five million, nine hundred thirty-eight thousand, eight hundred forty-nine".