2232443213261 has 2 divisors, whose sum is σ = 2232443213262. Its totient is φ = 2232443213260.

The previous prime is 2232443213219. The next prime is 2232443213267. The reversal of 2232443213261 is 1623123442322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1710913704361 + 521529508900 = 1308019^2 + 722170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232443213261 - 2⁶ = 2232443213197 is a prime.

It is a super-3 number, since 3×2232443213261³ (a number of 38 digits) contains 333 as substring.

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 (2232443213267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116221606630 + 1116221606631.

It is an arithmetic number, because the mean of its divisors is an integer number (1116221606631).

Almost surely, 2^{2232443213261} is an apocalyptic number.

It is an amenable number.

2232443213261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232443213261 is an equidigital number, since it uses as much as digits as its factorization.

2232443213261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 35.

Adding to 2232443213261 its reverse (1623123442322), we get a palindrome (3855566655583).

The spelling of 2232443213261 in words is "two trillion, two hundred thirty-two billion, four hundred forty-three million, two hundred thirteen thousand, two hundred sixty-one".