22025344325 has 6 divisors (see below), whose sum is σ = 27311426994. Its totient is φ = 17620275440.

The previous prime is 22025344321. The next prime is 22025344337. The reversal of 22025344325 is 52344352022.

It can be written as a sum of positive squares in 3 ways, for example, as 7547960641 + 14477383684 = 86879^2 + 120322^2 .

It is not a de Polignac number, because 22025344325 - 2² = 22025344321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22025344291 and 22025344300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025344321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440506862 + ... + 440506911.

It is an arithmetic number, because the mean of its divisors is an integer number (4551904499).

Almost surely, 2^22025344325 is an apocalyptic number.

22025344325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22025344325 is a deficient number, since it is larger than the sum of its proper divisors (5286082669).

22025344325 is an equidigital number, since it uses as much as digits as its factorization.

22025344325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881013783 (or 881013778 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 22025344325 its reverse (52344352022), we get a palindrome (74369696347).

The spelling of 22025344325 in words is "twenty-two billion, twenty-five million, three hundred forty-four thousand, three hundred twenty-five".