2321225320 has 32 divisors (see below), whose sum is σ = 5449835520. Its totient is φ = 888120640.

The previous prime is 2321225243. The next prime is 2321225323. The reversal of 2321225320 is 235221232.

It is a junction number, because it is equal to n+sod(n) for n = 2321225291 and 2321225300.

It is not an unprimeable number, because it can be changed into a prime (2321225323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260616 + ... + 1262455.

It is an arithmetic number, because the mean of its divisors is an integer number (170307360).

Almost surely, 2^2321225320 is an apocalyptic number.

2321225320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321225320 is an abundant number, since it is smaller than the sum of its proper divisors (3128610200).

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

2321225320 is a wasteful number, since it uses less digits than its factorization.

2321225320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523105 (or 2523101 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2321225320 is about 48179.0962970457. The cubic root of 2321225320 is about 1324.0542095894.

Adding to 2321225320 its reverse (235221232), we get a palindrome (2556446552).

The spelling of 2321225320 in words is "two billion, three hundred twenty-one million, two hundred twenty-five thousand, three hundred twenty".