2204221200 has 120 divisors (see below), whose sum is σ = 7093379328. Its totient is φ = 585085440.

The previous prime is 2204221177. The next prime is 2204221249. The reversal of 2204221200 is 21224022.

It is a tau number, because it is divible by the number of its divisors (120).

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 2204221200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263482 + ... + 271718.

Almost surely, 2^2204221200 is an apocalyptic number.

2204221200 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 2204221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3546689664).

2204221200 is an abundant number, since it is smaller than the sum of its proper divisors (4889158128).

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

2204221200 is a wasteful number, since it uses less digits than its factorization.

2204221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481 (or 8470 counting only the distinct ones).

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

The square root of 2204221200 is about 46949.1341773200. The cubic root of 2204221200 is about 1301.4227421615.

Adding to 2204221200 its reverse (21224022), we get a palindrome (2225445222).

The spelling of 2204221200 in words is "two billion, two hundred four million, two hundred twenty-one thousand, two hundred".