2201343220 has 48 divisors (see below), whose sum is σ = 4684090320. Its totient is φ = 868921344.

The previous prime is 2201343191. The next prime is 2201343227. The reversal of 2201343220 is 223431022.

2201343220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 42068196 + 2159275024 = 6486^2 + 46468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201343227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753202 + ... + 756118.

It is an arithmetic number, because the mean of its divisors is an integer number (97585215).

Almost surely, 2^2201343220 is an apocalyptic number.

2201343220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201343220 is an abundant number, since it is smaller than the sum of its proper divisors (2482747100).

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

2201343220 is a wasteful number, since it uses less digits than its factorization.

2201343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2201343220 is about 46918.4741866144. The cubic root of 2201343220 is about 1300.8560870062.

Adding to 2201343220 its reverse (223431022), we get a palindrome (2424774242).

The spelling of 2201343220 in words is "two billion, two hundred one million, three hundred forty-three thousand, two hundred twenty".