6660220226 has 16 divisors (see below), whose sum is σ = 10994993568. Its totient is φ = 3000580800.

The previous prime is 6660220183. The next prime is 6660220241. The reversal of 6660220226 is 6220220666.

It is a junction number, because it is equal to n+sod(n) for n = 6660220192 and 6660220201.

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 7 ways as a sum of consecutive naturals, for example, 1337060 + ... + 1342031.

It is an arithmetic number, because the mean of its divisors is an integer number (687187098).

Almost surely, 2^6660220226 is an apocalyptic number.

6660220226 is a deficient number, since it is larger than the sum of its proper divisors (4334773342).

6660220226 is a wasteful number, since it uses less digits than its factorization.

6660220226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679217.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6660220226 is about 81610.1723193868. The cubic root of 6660220226 is about 1881.4652288331.

The spelling of 6660220226 in words is "six billion, six hundred sixty million, two hundred twenty thousand, two hundred twenty-six".