2244444020 has 144 divisors (see below), whose sum is σ = 6096158208. Its totient is φ = 687294720.

The previous prime is 2244444019. The next prime is 2244444043. The reversal of 2244444020 is 204444422.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392099 + ... + 397781.

It is an arithmetic number, because the mean of its divisors is an integer number (42334432).

Almost surely, 2^2244444020 is an apocalyptic number.

2244444020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2244444020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048079104).

2244444020 is an abundant number, since it is smaller than the sum of its proper divisors (3851714188).

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

2244444020 is a wasteful number, since it uses less digits than its factorization.

2244444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750 (or 5741 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2244444020 is about 47375.5635322684. The cubic root of 2244444020 is about 1309.2912313013.

Adding to 2244444020 its reverse (204444422), we get a palindrome (2448888442).

The spelling of 2244444020 in words is "two billion, two hundred forty-four million, four hundred forty-four thousand, twenty".