2444442220 has 24 divisors (see below), whose sum is σ = 5599995408. Its totient is φ = 888888000.

The previous prime is 2444442193. The next prime is 2444442239. The reversal of 2444442220 is 222444442.

2444442220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5555331 + ... + 5555770.

It is an arithmetic number, because the mean of its divisors is an integer number (233333142).

Almost surely, 2^2444442220 is an apocalyptic number.

2444442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444442220 is an abundant number, since it is smaller than the sum of its proper divisors (3155553188).

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

2444442220 is a wasteful number, since it uses less digits than its factorization.

2444442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111121 (or 11111119 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 2444442220 is about 49441.3007514972. The cubic root of 2444442220 is about 1347.0795982597.

Adding to 2444442220 its reverse (222444442), we get a palindrome (2666886662).

It can be divided in two parts, 24444422 and 20, that added together give a palindrome (24444442).

The spelling of 2444442220 in words is "two billion, four hundred forty-four million, four hundred forty-two thousand, two hundred twenty".