2203252220 has 24 divisors (see below), whose sum is σ = 4982740224. Its totient is φ = 813508416.

The previous prime is 2203252213. The next prime is 2203252223. The reversal of 2203252220 is 222523022.

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

It is a junction number, because it is equal to n+sod(n) for n = 2203252192 and 2203252201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203252223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236764 + ... + 4237283.

It is an arithmetic number, because the mean of its divisors is an integer number (207614176).

Almost surely, 2^2203252220 is an apocalyptic number.

2203252220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203252220 is an abundant number, since it is smaller than the sum of its proper divisors (2779488004).

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

2203252220 is a wasteful number, since it uses less digits than its factorization.

2203252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474069 (or 8474067 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2203252220 is about 46938.8135768257. The cubic root of 2203252220 is about 1301.2320115395.

Adding to 2203252220 its reverse (222523022), we get a palindrome (2425775242).

The spelling of 2203252220 in words is "two billion, two hundred three million, two hundred fifty-two thousand, two hundred twenty".