3316221456 has 80 divisors (see below), whose sum is σ = 8909429760. Its totient is φ = 1061616640.

The previous prime is 3316221431. The next prime is 3316221457. The reversal of 3316221456 is 6541226133.

It is not an unprimeable number, because it can be changed into a prime (3316221457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259636 + ... + 272108.

It is an arithmetic number, because the mean of its divisors is an integer number (111367872).

Almost surely, 2^3316221456 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 3316221456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4454714880).

3316221456 is an abundant number, since it is smaller than the sum of its proper divisors (5593208304).

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

3316221456 is a wasteful number, since it uses less digits than its factorization.

3316221456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704 (or 12698 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 3316221456 is about 57586.6430346482. The cubic root of 3316221456 is about 1491.2410206294.

Adding to 3316221456 its reverse (6541226133), we get a palindrome (9857447589).

The spelling of 3316221456 in words is "three billion, three hundred sixteen million, two hundred twenty-one thousand, four hundred fifty-six".