3220370660 has 48 divisors (see below), whose sum is σ = 7364876400. Its totient is φ = 1175691264.

The previous prime is 3220370651. The next prime is 3220370669. The reversal of 3220370660 is 660730223.

It is an interprime number because it is at equal distance from previous prime (3220370651) and next prime (3220370669).

It can be written as a sum of positive squares in 8 ways, for example, as 693900964 + 2526469696 = 26342^2 + 50264^2 .

It is a super-3 number, since 3×3220370660³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3220370669) 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, 46445 + ... + 92724.

It is an arithmetic number, because the mean of its divisors is an integer number (153434925).

Almost surely, 2^3220370660 is an apocalyptic number.

It is an amenable number.

3220370660 is an abundant number, since it is smaller than the sum of its proper divisors (4144505740).

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

3220370660 is a wasteful number, since it uses less digits than its factorization.

3220370660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139280 (or 139278 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 3220370660 is about 56748.3097545645. The cubic root of 3220370660 is about 1476.7329107133.

The spelling of 3220370660 in words is "three billion, two hundred twenty million, three hundred seventy thousand, six hundred sixty".