5215221330 has 64 divisors (see below), whose sum is σ = 13707750528. Its totient is φ = 1259356160.

The previous prime is 5215221317. The next prime is 5215221383. The reversal of 5215221330 is 331225125.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5215221330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54064 + ... + 115556.

It is an arithmetic number, because the mean of its divisors is an integer number (214183602).

Almost surely, 2^5215221330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215221330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6853875264).

5215221330 is an abundant number, since it is smaller than the sum of its proper divisors (8492529198).

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

5215221330 is a wasteful number, since it uses less digits than its factorization.

5215221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61771.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 5215221330 is about 72216.4893220378. The cubic root of 5215221330 is about 1734.1669884904.

Adding to 5215221330 its reverse (331225125), we get a palindrome (5546446455).

The spelling of 5215221330 in words is "five billion, two hundred fifteen million, two hundred twenty-one thousand, three hundred thirty".