22125300125 has 8 divisors (see below), whose sum is σ = 27612374712. Its totient is φ = 17700240000.

The previous prime is 22125300089. The next prime is 22125300137. The reversal of 22125300125 is 52100352122.

It can be written as a sum of positive squares in 4 ways, for example, as 1565468356 + 20559831769 = 39566^2 + 143387^2 .

It is not a de Polignac number, because 22125300125 - 2²² = 22121105821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22125300125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88501076 + ... + 88501325.

It is an arithmetic number, because the mean of its divisors is an integer number (3451546839).

Almost surely, 2^22125300125 is an apocalyptic number.

22125300125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22125300125 is a deficient number, since it is larger than the sum of its proper divisors (5487074587).

22125300125 is an equidigital number, since it uses as much as digits as its factorization.

22125300125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177002416 (or 177002406 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 22125300125 its reverse (52100352122), we get a palindrome (74225652247).

The spelling of 22125300125 in words is "twenty-two billion, one hundred twenty-five million, three hundred thousand, one hundred twenty-five".