5221245120 has 448 divisors, whose sum is σ = 20769315840. Its totient is φ = 1081884672.

The previous prime is 5221245119. The next prime is 5221245131. The reversal of 5221245120 is 215421225.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×5221245120² = 54522801206247628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 5153734 + ... + 5154746.

It is an arithmetic number, because the mean of its divisors is an integer number (46360080).

Almost surely, 2^5221245120 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 5221245120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10384657920).

5221245120 is an abundant number, since it is smaller than the sum of its proper divisors (15548070720).

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

5221245120 is a wasteful number, since it uses less digits than its factorization.

5221245120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 5221245120 is about 72258.1837579661. The cubic root of 5221245120 is about 1734.8344090870.

Adding to 5221245120 its reverse (215421225), we get a palindrome (5436666345).

The spelling of 5221245120 in words is "five billion, two hundred twenty-one million, two hundred forty-five thousand, one hundred twenty".