9992231 has 2 divisors, whose sum is σ = 9992232. Its totient is φ = 9992230.

The previous prime is 9992207. The next prime is 9992237. The reversal of 9992231 is 1322999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9992231 - 2¹⁸ = 9730087 is a prime.

It is a super-3 number, since 3×9992231³ (a number of 22 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 = 9992191 and 9992200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9992237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996115 + 4996116.

It is an arithmetic number, because the mean of its divisors is an integer number (4996116).

Almost surely, 2^9992231 is an apocalyptic number.

9992231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9992231 is an equidigital number, since it uses as much as digits as its factorization.

9992231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 35.

The square root of 9992231 is about 3161.0490347351. The cubic root of 9992231 is about 215.3876618715.

The spelling of 9992231 in words is "nine million, nine hundred ninety-two thousand, two hundred thirty-one".