2331221024 has 24 divisors (see below), whose sum is σ = 5006827728. Its totient is φ = 1059645760.

The previous prime is 2331221003. The next prime is 2331221027. The reversal of 2331221024 is 4201221332.

It is a junction number, because it is equal to n+sod(n) for n = 2331220987 and 2331221005.

It is not an unprimeable number, because it can be changed into a prime (2331221027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3311042 + ... + 3311745.

It is an arithmetic number, because the mean of its divisors is an integer number (208617822).

Almost surely, 2^2331221024 is an apocalyptic number.

It is an amenable number.

2331221024 is an abundant number, since it is smaller than the sum of its proper divisors (2675606704).

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

2331221024 is a wasteful number, since it uses less digits than its factorization.

2331221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622808 (or 6622800 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2331221024 is about 48282.7197245557. The cubic root of 2331221024 is about 1325.9520437162.

Adding to 2331221024 its reverse (4201221332), we get a palindrome (6532442356).

The spelling of 2331221024 in words is "two billion, three hundred thirty-one million, two hundred twenty-one thousand, twenty-four".