5221125200 has 120 divisors (see below), whose sum is σ = 13015015200. Its totient is φ = 2010426880.

The previous prime is 5221125193. The next prime is 5221125257. The reversal of 5221125200 is 25211225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7644059 + ... + 7644741.

It is an arithmetic number, because the mean of its divisors is an integer number (108458460).

Almost surely, 2^5221125200 is an apocalyptic number.

5221125200 is a gapful number since it is divisible by the number (50) 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 5221125200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6507507600).

5221125200 is an abundant number, since it is smaller than the sum of its proper divisors (7793890000).

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

5221125200 is a wasteful number, since it uses less digits than its factorization.

5221125200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5221125200 is about 72257.3539509993. The cubic root of 5221125200 is about 1734.8211272656.

Adding to 5221125200 its reverse (25211225), we get a palindrome (5246336425).

The spelling of 5221125200 in words is "five billion, two hundred twenty-one million, one hundred twenty-five thousand, two hundred".