2102200044 has 24 divisors (see below), whose sum is σ = 5605867008. Its totient is φ = 600628560.

The previous prime is 2102200043. The next prime is 2102200063. The reversal of 2102200044 is 4400022012.

It is a junction number, because it is equal to n+sod(n) for n = 2102199996 and 2102200032.

It is not an unprimeable number, because it can be changed into a prime (2102200043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12513012 + ... + 12513179.

It is an arithmetic number, because the mean of its divisors is an integer number (233577792).

Almost surely, 2^2102200044 is an apocalyptic number.

It is an amenable number.

2102200044 is an abundant number, since it is smaller than the sum of its proper divisors (3503666964).

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

2102200044 is a wasteful number, since it uses less digits than its factorization.

2102200044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026205 (or 25026203 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2102200044 is about 45849.7551138498. The cubic root of 2102200044 is about 1281.0262042306.

Adding to 2102200044 its reverse (4400022012), we get a palindrome (6502222056).

The spelling of 2102200044 in words is "two billion, one hundred two million, two hundred thousand, forty-four".