2444332220 has 48 divisors (see below), whose sum is σ = 5691573216. Its totient is φ = 874272000.

The previous prime is 2444332211. The next prime is 2444332249. The reversal of 2444332220 is 222334442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2444332220.

It is a congruent number.

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, 77651 + ... + 104490.

It is an arithmetic number, because the mean of its divisors is an integer number (118574442).

Almost surely, 2^2444332220 is an apocalyptic number.

2444332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444332220 is an abundant number, since it is smaller than the sum of its proper divisors (3247240996).

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

2444332220 is a wasteful number, since it uses less digits than its factorization.

2444332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182222 (or 182220 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2444332220 is about 49440.1883087029. The cubic root of 2444332220 is about 1347.0593917442.

Adding to 2444332220 its reverse (222334442), we get a palindrome (2666666662).

The spelling of 2444332220 in words is "two billion, four hundred forty-four million, three hundred thirty-two thousand, two hundred twenty".