22135312325 has 24 divisors (see below), whose sum is σ = 31403710272. Its totient is φ = 15161656320.

The previous prime is 22135312321. The next prime is 22135312327. The reversal of 22135312325 is 52321353122.

It is not a de Polignac number, because 22135312325 - 2² = 22135312321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135312321) 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 23 ways as a sum of consecutive naturals, for example, 88997 + ... + 228453.

It is an arithmetic number, because the mean of its divisors is an integer number (1308487928).

Almost surely, 2^22135312325 is an apocalyptic number.

22135312325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22135312325 is a deficient number, since it is larger than the sum of its proper divisors (9268397947).

22135312325 is a wasteful number, since it uses less digits than its factorization.

22135312325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140381 (or 140376 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

Adding to 22135312325 its reverse (52321353122), we get a palindrome (74456665447).

The spelling of 22135312325 in words is "twenty-two billion, one hundred thirty-five million, three hundred twelve thousand, three hundred twenty-five".