2044402220 has 48 divisors (see below), whose sum is σ = 4910223360. Its totient is φ = 700415424.

The previous prime is 2044402189. The next prime is 2044402249. The reversal of 2044402220 is 222044402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2044402192 and 2044402201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214721 + ... + 224039.

It is an arithmetic number, because the mean of its divisors is an integer number (102296320).

Almost surely, 2^2044402220 is an apocalyptic number.

2044402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044402220 is an abundant number, since it is smaller than the sum of its proper divisors (2865821140).

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

2044402220 is a wasteful number, since it uses less digits than its factorization.

2044402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902 (or 10900 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2044402220 is about 45215.0662943227. The cubic root of 2044402220 is about 1269.1767703089.

Adding to 2044402220 its reverse (222044402), we get a palindrome (2266446622).

The spelling of 2044402220 in words is "two billion, forty-four million, four hundred two thousand, two hundred twenty".