220444113 has 16 divisors (see below), whose sum is σ = 302899520. Its totient is φ = 142502976.

The previous prime is 220444111. The next prime is 220444127. The reversal of 220444113 is 311444022.

It is not a de Polignac number, because 220444113 - 2¹ = 220444111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220444113.

It is not an unprimeable number, because it can be changed into a prime (220444111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30843 + ... + 37311.

It is an arithmetic number, because the mean of its divisors is an integer number (18931220).

Almost surely, 2^220444113 is an apocalyptic number.

It is an amenable number.

220444113 is a deficient number, since it is larger than the sum of its proper divisors (82455407).

220444113 is a wasteful number, since it uses less digits than its factorization.

220444113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 220444113 is about 14847.3604724880. The cubic root of 220444113 is about 604.0870167235.

Adding to 220444113 its reverse (311444022), we get a palindrome (531888135).

Subtracting 220444113 from its reverse (311444022), we obtain a palindrome (90999909).

The spelling of 220444113 in words is "two hundred twenty million, four hundred forty-four thousand, one hundred thirteen".