2330421221 has 4 divisors (see below), whose sum is σ = 2338834572. Its totient is φ = 2322007872.

The previous prime is 2330421211. The next prime is 2330421229. The reversal of 2330421221 is 1221240332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168636196 + 2161785025 = 12986^2 + 46495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2330421221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2330421193 and 2330421202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330421229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206260 + ... + 4206813.

It is an arithmetic number, because the mean of its divisors is an integer number (584708643).

Almost surely, 2^2330421221 is an apocalyptic number.

It is an amenable number.

2330421221 is a deficient number, since it is larger than the sum of its proper divisors (8413351).

2330421221 is an equidigital number, since it uses as much as digits as its factorization.

2330421221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413350.

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

The square root of 2330421221 is about 48274.4365166493. The cubic root of 2330421221 is about 1325.8003890376.

Adding to 2330421221 its reverse (1221240332), we get a palindrome (3551661553).

The spelling of 2330421221 in words is "two billion, three hundred thirty million, four hundred twenty-one thousand, two hundred twenty-one".