992231 has 2 divisors, whose sum is σ = 992232. Its totient is φ = 992230.

The previous prime is 992219. The next prime is 992249. The reversal of 992231 is 132299.

It is a weak prime.

It is an emirp because it is prime and its reverse (132299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 992231 - 2¹⁴ = 975847 is a prime.

It is a super-2 number, since 2×992231² = 1969044714722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 992231.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 992231.

It is not a weakly prime, because it can be changed into another prime (992281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496115 + 496116.

It is an arithmetic number, because the mean of its divisors is an integer number (496116).

2⁹⁹²²³¹ is an apocalyptic number.

992231 is a deficient number, since it is larger than the sum of its proper divisors (1).

992231 is an equidigital number, since it uses as much as digits as its factorization.

992231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 992231 is about 996.1079258795. The cubic root of 992231 is about 99.7403597864.

The spelling of 992231 in words is "nine hundred ninety-two thousand, two hundred thirty-one".