922681 has 2 divisors, whose sum is σ = 922682. Its totient is φ = 922680.

The previous prime is 922679. The next prime is 922699. The reversal of 922681 is 186229.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 308025 = 784^2 + 555^2 .

It is an emirp because it is prime and its reverse (186229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 922681 - 2¹ = 922679 is a prime.

It is a super-2 number, since 2×922681² = 1702680455522, which contains 22 as substring.

Together with 922679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (922601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461340 + 461341.

It is an arithmetic number, because the mean of its divisors is an integer number (461341).

2⁹²²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

922681 is a deficient number, since it is larger than the sum of its proper divisors (1).

922681 is an equidigital number, since it uses as much as digits as its factorization.

922681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 922681 is about 960.5628558299. The cubic root of 922681 is about 97.3532660226.

The spelling of 922681 in words is "nine hundred twenty-two thousand, six hundred eighty-one".