2213231020 has 288 divisors, whose sum is σ = 6732694080. Its totient is φ = 598671360.

The previous prime is 2213231011. The next prime is 2213231047. The reversal of 2213231020 is 201323122.

It is a junction number, because it is equal to n+sod(n) for n = 2213230985 and 2213231003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2381916 + ... + 2382844.

It is an arithmetic number, because the mean of its divisors is an integer number (23377410).

Almost surely, 2^2213231020 is an apocalyptic number.

2213231020 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 2213231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3366347040).

2213231020 is an abundant number, since it is smaller than the sum of its proper divisors (4519463060).

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

2213231020 is a wasteful number, since it uses less digits than its factorization.

2213231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2213231020 is about 47044.9893187362. The cubic root of 2213231020 is about 1303.1935330733.

Adding to 2213231020 its reverse (201323122), we get a palindrome (2414554142).

The spelling of 2213231020 in words is "two billion, two hundred thirteen million, two hundred thirty-one thousand, twenty".