222232232213 has 2 divisors, whose sum is σ = 222232232214. Its totient is φ = 222232232212.

The previous prime is 222232232207. The next prime is 222232232237. The reversal of 222232232213 is 312232232222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220619968804 + 1612263409 = 469702^2 + 40153^2 .

It is a cyclic number.

It is not a de Polignac number, because 222232232213 - 2¹⁶ = 222232166677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222232232203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111116116106 + 111116116107.

It is an arithmetic number, because the mean of its divisors is an integer number (111116116107).

Almost surely, 2^222232232213 is an apocalyptic number.

It is an amenable number.

222232232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222232232213 is an equidigital number, since it uses as much as digits as its factorization.

222232232213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

Adding to 222232232213 its reverse (312232232222), we get a palindrome (534464464435).

Subtracting 222232232213 from its reverse (312232232222), we obtain a palindrome (90000000009).

The spelling of 222232232213 in words is "two hundred twenty-two billion, two hundred thirty-two million, two hundred thirty-two thousand, two hundred thirteen".