4405221200 has 30 divisors (see below), whose sum is σ = 10583544894. Its totient is φ = 1762088320.

The previous prime is 4405221181. The next prime is 4405221239. The reversal of 4405221200 is 21225044.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10061584 + 4395159616 = 3172^2 + 66296^2 .

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

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 5506127 + ... + 5506926.

Almost surely, 2^4405221200 is an apocalyptic number.

4405221200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4405221200 is an abundant number, since it is smaller than the sum of its proper divisors (6178323694).

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

4405221200 is a wasteful number, since it uses less digits than its factorization.

4405221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11013071 (or 11013060 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4405221200 is about 66371.8404144408. The cubic root of 4405221200 is about 1639.2904426032.

Adding to 4405221200 its reverse (21225044), we get a palindrome (4426446244).

The spelling of 4405221200 in words is "four billion, four hundred five million, two hundred twenty-one thousand, two hundred".