6612220530 has 96 divisors (see below), whose sum is σ = 17456577840. Its totient is φ = 1736294400.

The previous prime is 6612220529. The next prime is 6612220577. The reversal of 6612220530 is 350222166.

6612220530 is a `hidden beast` number, since 6 + 6 + 122 + 2 + 0 + 530 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4983371649 + 1628848881 = 70593^2 + 40359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6612220494 and 6612220503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1752486 + ... + 1756254.

Almost surely, 2^6612220530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6612220530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8728288920).

6612220530 is an abundant number, since it is smaller than the sum of its proper divisors (10844357310).

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

6612220530 is a wasteful number, since it uses less digits than its factorization.

6612220530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6612220530 is about 81315.5614258427. The cubic root of 6612220530 is about 1876.9344685570.

Adding to 6612220530 its reverse (350222166), we get a palindrome (6962442696).

The spelling of 6612220530 in words is "six billion, six hundred twelve million, two hundred twenty thousand, five hundred thirty".