2331221332 has 36 divisors (see below), whose sum is σ = 4538334528. Its totient is φ = 1046861200.

The previous prime is 2331221329. The next prime is 2331221341.

2331221332 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 11157 + ... + 69187.

It is an arithmetic number, because the mean of its divisors is an integer number (126064848).

Almost surely, 2^2331221332 is an apocalyptic number.

2331221332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2331221332 is a deficient number, since it is larger than the sum of its proper divisors (2207113196).

2331221332 is a wasteful number, since it uses less digits than its factorization.

2331221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58140 (or 58127 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 2331221332 is about 48282.7229141025. The cubic root of 2331221332 is about 1325.9521021110.

It can be divided in two parts, 23312 and 21332, that added together give a palindrome (44644).

The spelling of 2331221332 in words is "two billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty-two".