3221610252 has 72 divisors (see below), whose sum is σ = 8842765680. Its totient is φ = 910103040.

The previous prime is 3221610221. The next prime is 3221610257. The reversal of 3221610252 is 2520161223.

It is not an unprimeable number, because it can be changed into a prime (3221610257) 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 23 ways as a sum of consecutive naturals, for example, 21552 + ... + 83112.

It is an arithmetic number, because the mean of its divisors is an integer number (122816190).

Almost surely, 2^3221610252 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 3221610252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4421382840).

3221610252 is an abundant number, since it is smaller than the sum of its proper divisors (5621155428).

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

3221610252 is a wasteful number, since it uses less digits than its factorization.

3221610252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61671 (or 61662 counting only the distinct ones).

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

The square root of 3221610252 is about 56759.2305444674. The cubic root of 3221610252 is about 1476.9223621433.

Adding to 3221610252 its reverse (2520161223), we get a palindrome (5741771475).

The spelling of 3221610252 in words is "three billion, two hundred twenty-one million, six hundred ten thousand, two hundred fifty-two".