922321 has 2 divisors, whose sum is σ = 922322. Its totient is φ = 922320.

The previous prime is 922309. The next prime is 922331. The reversal of 922321 is 123229.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 876096 + 46225 = 936^2 + 215^2 .

It is an emirp because it is prime and its reverse (123229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 922321 - 2⁵ = 922289 is a prime.

It is not a weakly prime, because it can be changed into another prime (922331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461160 + 461161.

It is an arithmetic number, because the mean of its divisors is an integer number (461161).

2⁹²²³²¹ is an apocalyptic number.

It is an amenable number.

922321 is a deficient number, since it is larger than the sum of its proper divisors (1).

922321 is an equidigital number, since it uses as much as digits as its factorization.

922321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 922321 is about 960.3754474163. The cubic root of 922321 is about 97.3406030203.

The spelling of 922321 in words is "nine hundred twenty-two thousand, three hundred twenty-one".