220006662 has 64 divisors (see below), whose sum is σ = 487153920. Its totient is φ = 65971584.

The previous prime is 220006651. The next prime is 220006669. The reversal of 220006662 is 266600022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220006669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180768 + ... + 181980.

It is an arithmetic number, because the mean of its divisors is an integer number (7611780).

Almost surely, 2^220006662 is an apocalyptic number.

220006662 is an abundant number, since it is smaller than the sum of its proper divisors (267147258).

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

220006662 is a wasteful number, since it uses less digits than its factorization.

220006662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 220006662 is about 14832.6215484654. The cubic root of 220006662 is about 603.6871671384.

Adding to 220006662 its reverse (266600022), we get a palindrome (486606684).

The spelling of 220006662 in words is "two hundred twenty million, six thousand, six hundred sixty-two".