2203223220 has 192 divisors, whose sum is σ = 7581530880. Its totient is φ = 526694400.

The previous prime is 2203223219. The next prime is 2203223237. The reversal of 2203223220 is 223223022.

2203223220 is a `hidden beast` number, since 2 + 20 + 322 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2203223193 and 2203223202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431080 + ... + 436160.

It is an arithmetic number, because the mean of its divisors is an integer number (39487140).

Almost surely, 2^2203223220 is an apocalyptic number.

2203223220 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 2203223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3790765440).

2203223220 is an abundant number, since it is smaller than the sum of its proper divisors (5378307660).

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

2203223220 is a wasteful number, since it uses less digits than its factorization.

2203223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183 (or 5175 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2203223220 is about 46938.5046630163. The cubic root of 2203223220 is about 1301.2263024196.

Adding to 2203223220 its reverse (223223022), we get a palindrome (2426446242).

The spelling of 2203223220 in words is "two billion, two hundred three million, two hundred twenty-three thousand, two hundred twenty".