2321355225 has 48 divisors (see below), whose sum is σ = 4396861440. Its totient is φ = 1058625600.

The previous prime is 2321355203. The next prime is 2321355259. The reversal of 2321355225 is 5225531232.

It is not a de Polignac number, because 2321355225 - 2⁵ = 2321355193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2321355192 and 2321355201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221146 + ... + 231404.

It is an arithmetic number, because the mean of its divisors is an integer number (91601280).

Almost surely, 2^2321355225 is an apocalyptic number.

2321355225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2321355225 is a deficient number, since it is larger than the sum of its proper divisors (2075506215).

2321355225 is a wasteful number, since it uses less digits than its factorization.

2321355225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710 (or 10705 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 2321355225 is about 48180.4444250984. Note that the first 4 decimals coincide. The cubic root of 2321355225 is about 1324.0789089083.

Adding to 2321355225 its reverse (5225531232), we get a palindrome (7546886457).

The spelling of 2321355225 in words is "two billion, three hundred twenty-one million, three hundred fifty-five thousand, two hundred twenty-five".