244002220 has 48 divisors (see below), whose sum is σ = 638846208. Its totient is φ = 76052160.

The previous prime is 244002211. The next prime is 244002263. The reversal of 244002220 is 22200442.

It is a junction number, because it is equal to n+sod(n) for n = 244002194 and 244002203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77682 + ... + 80761.

It is an arithmetic number, because the mean of its divisors is an integer number (13309296).

Almost surely, 2^244002220 is an apocalyptic number.

244002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244002220 is an abundant number, since it is smaller than the sum of its proper divisors (394843988).

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

244002220 is a wasteful number, since it uses less digits than its factorization.

244002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158470 (or 158468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 244002220 is about 15620.5704121200. The cubic root of 244002220 is about 624.8818720747.

Adding to 244002220 its reverse (22200442), we get a palindrome (266202662).

The spelling of 244002220 in words is "two hundred forty-four million, two thousand, two hundred twenty".