2212330321 has 2 divisors, whose sum is σ = 2212330322. Its totient is φ = 2212330320.

The previous prime is 2212330319. The next prime is 2212330339. The reversal of 2212330321 is 1230332122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1797760000 + 414570321 = 42400^2 + 20361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212330321 - 2¹ = 2212330319 is a prime.

Together with 2212330319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2212330301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106165160 + 1106165161.

It is an arithmetic number, because the mean of its divisors is an integer number (1106165161).

Almost surely, 2^2212330321 is an apocalyptic number.

It is an amenable number.

2212330321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212330321 is an equidigital number, since it uses as much as digits as its factorization.

2212330321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2212330321 is about 47035.4156035641. The cubic root of 2212330321 is about 1303.0167260484.

Adding to 2212330321 its reverse (1230332122), we get a palindrome (3442662443).

The spelling of 2212330321 in words is "two billion, two hundred twelve million, three hundred thirty thousand, three hundred twenty-one".