2204223220 has 12 divisors (see below), whose sum is σ = 4628868804. Its totient is φ = 881689280.

The previous prime is 2204223209. The next prime is 2204223221. The reversal of 2204223220 is 223224022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 284731876 + 1919491344 = 16874^2 + 43812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204223221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55105561 + ... + 55105600.

It is an arithmetic number, because the mean of its divisors is an integer number (385739067).

Almost surely, 2^2204223220 is an apocalyptic number.

2204223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204223220 is an abundant number, since it is smaller than the sum of its proper divisors (2424645584).

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

2204223220 is a wasteful number, since it uses less digits than its factorization.

2204223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110211170 (or 110211168 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2204223220 is about 46949.1556899589. The cubic root of 2204223220 is about 1301.4231397128.

Adding to 2204223220 its reverse (223224022), we get a palindrome (2427447242).

The spelling of 2204223220 in words is "two billion, two hundred four million, two hundred twenty-three thousand, two hundred twenty".