2220044100 has 36 divisors (see below), whose sum is σ = 6423328464. Its totient is φ = 592011680.

The previous prime is 2220044089. The next prime is 2220044143. The reversal of 2220044100 is 14400222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2220044100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3699774 + ... + 3700373.

Almost surely, 2^2220044100 is an apocalyptic number.

2220044100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220044100 is an abundant number, since it is smaller than the sum of its proper divisors (4203284364).

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

2220044100 is a wasteful number, since it uses less digits than its factorization.

2220044100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400164 (or 7400157 counting only the distinct ones).

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

The square root of 2220044100 is about 47117.3439404218. The cubic root of 2220044100 is about 1304.5293880061.

Adding to 2220044100 its reverse (14400222), we get a palindrome (2234444322).

The spelling of 2220044100 in words is "two billion, two hundred twenty million, forty-four thousand, one hundred".