2231422223231 has 2 divisors, whose sum is σ = 2231422223232. Its totient is φ = 2231422223230.

The previous prime is 2231422223201. The next prime is 2231422223263. The reversal of 2231422223231 is 1323222241322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231422223231 - 2²⁶ = 2231355114367 is a prime.

It is a super-3 number, since 3×2231422223231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231422223194 and 2231422223203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231422223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115711111615 + 1115711111616.

It is an arithmetic number, because the mean of its divisors is an integer number (1115711111616).

Almost surely, 2^{2231422223231} is an apocalyptic number.

2231422223231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231422223231 is an equidigital number, since it uses as much as digits as its factorization.

2231422223231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

Adding to 2231422223231 its reverse (1323222241322), we get a palindrome (3554644464553).

The spelling of 2231422223231 in words is "two trillion, two hundred thirty-one billion, four hundred twenty-two million, two hundred twenty-three thousand, two hundred thirty-one".