2221231332 has 12 divisors (see below), whose sum is σ = 5182873136. Its totient is φ = 740410440.

The previous prime is 2221231319. The next prime is 2221231333. The reversal of 2221231332 is 2331321222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2221231299 and 2221231308.

It is not an unprimeable number, because it can be changed into a prime (2221231333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92551294 + ... + 92551317.

Almost surely, 2^2221231332 is an apocalyptic number.

It is an amenable number.

2221231332 is an abundant number, since it is smaller than the sum of its proper divisors (2961641804).

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

2221231332 is a wasteful number, since it uses less digits than its factorization.

2221231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185102618 (or 185102616 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2221231332 is about 47129.9409293073. The cubic root of 2221231332 is about 1304.7618913501.

Adding to 2221231332 its reverse (2331321222), we get a palindrome (4552552554).

The spelling of 2221231332 in words is "two billion, two hundred twenty-one million, two hundred thirty-one thousand, three hundred thirty-two".