22315335125 has 8 divisors (see below), whose sum is σ = 27849538392. Its totient is φ = 17852268000.

The previous prime is 22315335047. The next prime is 22315335181. The reversal of 22315335125 is 52153351322.

It can be written as a sum of positive squares in 4 ways, for example, as 3151362769 + 19163972356 = 56137^2 + 138434^2 .

It is not a de Polignac number, because 22315335125 - 2¹⁸ = 22315072981 is a prime.

It is a super-3 number, since 3×22315335125³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22315335091 and 22315335100.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 89261216 + ... + 89261465.

It is an arithmetic number, because the mean of its divisors is an integer number (3481192299).

Almost surely, 2^22315335125 is an apocalyptic number.

22315335125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22315335125 is a deficient number, since it is larger than the sum of its proper divisors (5534203267).

22315335125 is an equidigital number, since it uses as much as digits as its factorization.

22315335125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178522696 (or 178522686 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

Adding to 22315335125 its reverse (52153351322), we get a palindrome (74468686447).

The spelling of 22315335125 in words is "twenty-two billion, three hundred fifteen million, three hundred thirty-five thousand, one hundred twenty-five".