2203212222 has 48 divisors (see below), whose sum is σ = 5186987520. Its totient is φ = 673304400.

The previous prime is 2203212211. The next prime is 2203212227. The reversal of 2203212222 is 2222123022.

2203212222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2203212195 and 2203212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203212227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93304 + ... + 114507.

It is an arithmetic number, because the mean of its divisors is an integer number (108062240).

Almost surely, 2^2203212222 is an apocalyptic number.

2203212222 is an abundant number, since it is smaller than the sum of its proper divisors (2983775298).

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

2203212222 is a wasteful number, since it uses less digits than its factorization.

2203212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207869 (or 207866 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2203212222 is about 46938.3875095854. The cubic root of 2203212222 is about 1301.2241372719.

Adding to 2203212222 its reverse (2222123022), we get a palindrome (4425335244).

The spelling of 2203212222 in words is "two billion, two hundred three million, two hundred twelve thousand, two hundred twenty-two".