2340333221 has 2 divisors, whose sum is σ = 2340333222. Its totient is φ = 2340333220.

The previous prime is 2340333199. The next prime is 2340333253. The reversal of 2340333221 is 1223330432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1807185121 + 533148100 = 42511^2 + 23090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340333221 - 2²⁶ = 2273224357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340330221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170166610 + 1170166611.

It is an arithmetic number, because the mean of its divisors is an integer number (1170166611).

Almost surely, 2^2340333221 is an apocalyptic number.

It is an amenable number.

2340333221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340333221 is an equidigital number, since it uses as much as digits as its factorization.

2340333221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 2340333221 is about 48376.9906153742. The cubic root of 2340333221 is about 1327.6774096462.

Adding to 2340333221 its reverse (1223330432), we get a palindrome (3563663653).

The spelling of 2340333221 in words is "two billion, three hundred forty million, three hundred thirty-three thousand, two hundred twenty-one".