220555606 has 8 divisors (see below), whose sum is σ = 331549344. Its totient is φ = 110039160.

The previous prime is 220555589. The next prime is 220555613. The reversal of 220555606 is 606555022.

220555606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118165 + ... + 120016.

It is an arithmetic number, because the mean of its divisors is an integer number (41443668).

Almost surely, 2^220555606 is an apocalyptic number.

220555606 is a deficient number, since it is larger than the sum of its proper divisors (110993738).

220555606 is a wasteful number, since it uses less digits than its factorization.

220555606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238646.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 220555606 is about 14851.1146383024. The cubic root of 220555606 is about 604.1888416583.

The spelling of 220555606 in words is "two hundred twenty million, five hundred fifty-five thousand, six hundred six".