5172507228 has 192 divisors, whose sum is σ = 14529715200. Its totient is φ = 1430956800.

The previous prime is 5172507187. The next prime is 5172507239. The reversal of 5172507228 is 8227052715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28577298 + ... + 28577478.

It is an arithmetic number, because the mean of its divisors is an integer number (75675600).

Almost surely, 2^5172507228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5172507228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7264857600).

5172507228 is an abundant number, since it is smaller than the sum of its proper divisors (9357207972).

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

5172507228 is a wasteful number, since it uses less digits than its factorization.

5172507228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 5172507228 is about 71920.1447996318. The cubic root of 5172507228 is about 1729.4195684989.

The spelling of 5172507228 in words is "five billion, one hundred seventy-two million, five hundred seven thousand, two hundred twenty-eight".