3250221216 has 48 divisors (see below), whose sum is σ = 9307454688. Its totient is φ = 984915200.

The previous prime is 3250221203. The next prime is 3250221217. The reversal of 3250221216 is 6121220523.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (3250221217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1537875 + ... + 1539986.

It is an arithmetic number, because the mean of its divisors is an integer number (193905306).

Almost surely, 2^3250221216 is an apocalyptic number.

It is an amenable number.

3250221216 is an abundant number, since it is smaller than the sum of its proper divisors (6057233472).

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

3250221216 is a wasteful number, since it uses less digits than its factorization.

3250221216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077885 (or 3077877 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3250221216 is about 57010.7114146105. The cubic root of 3250221216 is about 1481.2816412120.

Adding to 3250221216 its reverse (6121220523), we get a palindrome (9371441739).

The spelling of 3250221216 in words is "three billion, two hundred fifty million, two hundred twenty-one thousand, two hundred sixteen".