22103235513 has 12 divisors (see below), whose sum is σ = 31941197028. Its totient is φ = 14728889760.

The previous prime is 22103235467. The next prime is 22103235521. The reversal of 22103235513 is 31553230122.

It is a happy number.

22103235513 is a `hidden beast` number, since 2 + 2 + 103 + 2 + 3 + 551 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7297943184 + 14805292329 = 85428^2 + 121677^2 .

It is not a de Polignac number, because 22103235513 - 2⁸ = 22103235257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22103233513) 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 11 ways as a sum of consecutive naturals, for example, 528798 + ... + 569063.

It is an arithmetic number, because the mean of its divisors is an integer number (2661766419).

Almost surely, 2^22103235513 is an apocalyptic number.

It is an amenable number.

22103235513 is a deficient number, since it is larger than the sum of its proper divisors (9837961515).

22103235513 is a wasteful number, since it uses less digits than its factorization.

22103235513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100104 (or 1100101 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 22103235513 its reverse (31553230122), we get a palindrome (53656465635).

The spelling of 22103235513 in words is "twenty-two billion, one hundred three million, two hundred thirty-five thousand, five hundred thirteen".