5227211520 has 216 divisors, whose sum is σ = 18139854096. Its totient is φ = 1389748224.

The previous prime is 5227211513. The next prime is 5227211551. The reversal of 5227211520 is 251127225.

5227211520 is a `hidden beast` number, since 522 + 7 + 2 + 115 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6761854 + ... + 6762626.

It is an arithmetic number, because the mean of its divisors is an integer number (83980806).

Almost surely, 2^5227211520 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 5227211520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9069927048).

5227211520 is an abundant number, since it is smaller than the sum of its proper divisors (12912642576).

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

5227211520 is a wasteful number, since it uses less digits than its factorization.

5227211520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 5227211520 is about 72299.4572593737. The cubic root of 5227211520 is about 1735.4949651829.

Adding to 5227211520 its reverse (251127225), we get a palindrome (5478338745).

The spelling of 5227211520 in words is "five billion, two hundred twenty-seven million, two hundred eleven thousand, five hundred twenty".