244220 has 12 divisors (see below), whose sum is σ = 512904. Its totient is φ = 97680.

The previous prime is 244219. The next prime is 244243. The reversal of 244220 is 22442.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 244195 and 244204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6086 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (42742).

2²⁴⁴²²⁰ is an apocalyptic number.

244220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244220 is an abundant number, since it is smaller than the sum of its proper divisors (268684).

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

244220 is a wasteful number, since it uses less digits than its factorization.

244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220 (or 12218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 244220 is about 494.1861997264. The cubic root of 244220 is about 62.5067725994.

Adding to 244220 its reverse (22442), we get a palindrome (266662).

It can be divided in two parts, 244 and 220, that added together give a palindrome (464).

The spelling of 244220 in words is "two hundred forty-four thousand, two hundred twenty", and thus it is an iban number.