222010222321 has 2 divisors, whose sum is σ = 222010222322. Its totient is φ = 222010222320.

The previous prime is 222010222309. The next prime is 222010222327. The reversal of 222010222321 is 123222010222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189321582321 + 32688640000 = 435111^2 + 180800^2 .

It is a cyclic number.

It is not a de Polignac number, because 222010222321 - 2⁷ = 222010222193 is a prime.

It is not a weakly prime, because it can be changed into another prime (222010222327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005111160 + 111005111161.

It is an arithmetic number, because the mean of its divisors is an integer number (111005111161).

Almost surely, 2^222010222321 is an apocalyptic number.

It is an amenable number.

222010222321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222010222321 is an equidigital number, since it uses as much as digits as its factorization.

222010222321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222010222321 its reverse (123222010222), we get a palindrome (345232232543).

The spelling of 222010222321 in words is "two hundred twenty-two billion, ten million, two hundred twenty-two thousand, three hundred twenty-one".