220084618 has 16 divisors (see below), whose sum is σ = 376435080. Its totient is φ = 95602176.

The previous prime is 220084607. The next prime is 220084633. The reversal of 220084618 is 816480022.

220084618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109056249 + 111028369 = 10443^2 + 10537^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220084618.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248523 + ... + 249406.

Almost surely, 2^220084618 is an apocalyptic number.

220084618 is a deficient number, since it is larger than the sum of its proper divisors (156350462).

220084618 is a wasteful number, since it uses less digits than its factorization.

220084618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497961.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 220084618 is about 14835.2491721575. The cubic root of 220084618 is about 603.7584611605.

The spelling of 220084618 in words is "two hundred twenty million, eighty-four thousand, six hundred eighteen".