3221013530 has 40 divisors (see below), whose sum is σ = 6763776372. Its totient is φ = 1104339264.

The previous prime is 3221013527. The next prime is 3221013533. The reversal of 3221013530 is 353101223.

It is an interprime number because it is at equal distance from previous prime (3221013527) and next prime (3221013533).

It can be written as a sum of positive squares in 2 ways, for example, as 3158777209 + 62236321 = 56203^2 + 7889^2 .

It is not an unprimeable number, because it can be changed into a prime (3221013533) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 43067 + ... + 91086.

Almost surely, 2^3221013530 is an apocalyptic number.

3221013530 is an abundant number, since it is smaller than the sum of its proper divisors (3542762842).

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

3221013530 is an equidigital number, since it uses as much as digits as its factorization.

3221013530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134188 (or 134167 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3221013530 is about 56753.9736934781. The cubic root of 3221013530 is about 1476.8311689804.

Adding to 3221013530 its reverse (353101223), we get a palindrome (3574114753).

The spelling of 3221013530 in words is "three billion, two hundred twenty-one million, thirteen thousand, five hundred thirty".