220630618 has 16 divisors (see below), whose sum is σ = 362446560. Its totient is φ = 100102896.

The previous prime is 220630589. The next prime is 220630621. The reversal of 220630618 is 816036022.

220630618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×220630618³ (a number of 26 digits) contains 333 as substring.

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, 70380 + ... + 73447.

It is an arithmetic number, because the mean of its divisors is an integer number (22652910).

Almost surely, 2^220630618 is an apocalyptic number.

220630618 is a deficient number, since it is larger than the sum of its proper divisors (141815942).

220630618 is a wasteful number, since it uses less digits than its factorization.

220630618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143901.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 220630618 is about 14853.6398906127. The cubic root of 220630618 is about 604.2573297177.

The spelling of 220630618 in words is "two hundred twenty million, six hundred thirty thousand, six hundred eighteen".