244105220 has 24 divisors (see below), whose sum is σ = 513342144. Its totient is φ = 97504736.

The previous prime is 244105219. The next prime is 244105229. The reversal of 244105220 is 22501442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 244105192 and 244105201.

It is not an unprimeable number, because it can be changed into a prime (244105229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6647 + ... + 23073.

It is an arithmetic number, because the mean of its divisors is an integer number (21389256).

Almost surely, 2^244105220 is an apocalyptic number.

244105220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244105220 is an abundant number, since it is smaller than the sum of its proper divisors (269236924).

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

244105220 is a wasteful number, since it uses less digits than its factorization.

244105220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17179 (or 17177 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 244105220 is about 15623.8669989219. The cubic root of 244105220 is about 624.9697862728.

Adding to 244105220 its reverse (22501442), we get a palindrome (266606662).

The spelling of 244105220 in words is "two hundred forty-four million, one hundred five thousand, two hundred twenty".