2201442660 has 72 divisors (see below), whose sum is σ = 6686217720. Its totient is φ = 586303488.

The previous prime is 2201442647. The next prime is 2201442671. The reversal of 2201442660 is 662441022.

2201442660 is a `hidden beast` number, since 220 + 14 + 426 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 266146596 + 1935296064 = 16314^2 + 43992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141844 + ... + 156596.

It is an arithmetic number, because the mean of its divisors is an integer number (92864135).

Almost surely, 2^2201442660 is an apocalyptic number.

2201442660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201442660 is an abundant number, since it is smaller than the sum of its proper divisors (4484775060).

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

2201442660 is a wasteful number, since it uses less digits than its factorization.

2201442660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15597 (or 15592 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2201442660 is about 46919.5338851528. The cubic root of 2201442660 is about 1300.8756743170.

Adding to 2201442660 its reverse (662441022), we get a palindrome (2863883682).

The spelling of 2201442660 in words is "two billion, two hundred one million, four hundred forty-two thousand, six hundred sixty".