22325324500 has 48 divisors (see below), whose sum is σ = 48971679120. Its totient is φ = 8891088000.

The previous prime is 22325324491. The next prime is 22325324543. The reversal of 22325324500 is 542352322.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5705989444 + 16619335056 = 75538^2 + 128916^2 .

It is a super-3 number, since 3×22325324500³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 15 ways as a sum of consecutive naturals, for example, 17010 + ... + 211990.

It is an arithmetic number, because the mean of its divisors is an integer number (1020243315).

Almost surely, 2^22325324500 is an apocalyptic number.

22325324500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22325324500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24485839560).

22325324500 is an abundant number, since it is smaller than the sum of its proper divisors (26646354620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22325324500 is a wasteful number, since it uses less digits than its factorization.

22325324500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195229 (or 195217 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 22325324500 its reverse (542352322), we get a palindrome (22867676822).

The spelling of 22325324500 in words is "twenty-two billion, three hundred twenty-five million, three hundred twenty-four thousand, five hundred".