922643 has 2 divisors, whose sum is σ = 922644. Its totient is φ = 922642.

The previous prime is 922639. The next prime is 922667. The reversal of 922643 is 346229.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 922643 - 2² = 922639 is a prime.

It is not a weakly prime, because it can be changed into another prime (922613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461321 + 461322.

It is an arithmetic number, because the mean of its divisors is an integer number (461322).

2⁹²²⁶⁴³ is an apocalyptic number.

922643 is a deficient number, since it is larger than the sum of its proper divisors (1).

922643 is an equidigital number, since it uses as much as digits as its factorization.

922643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 922643 is about 960.5430755567. The cubic root of 922643 is about 97.3519295279.

The spelling of 922643 in words is "nine hundred twenty-two thousand, six hundred forty-three".