An X-ray imaging apparatus that performs X-ray imaging while switching a plurality of wireless sensors according to an imaging condition of an object includes: an acquisition unit that acquires examination information indicating the imaging condition of the object; a management unit that manages, as sensor information, remaining battery levels of the plurality of wireless sensors that have been registered; a control unit that assigns a priority order of wireless sensor candidates usable for performing the X-ray imaging according to the imaging condition indicated in the acquired examination information to the plurality of wireless sensors, in descending order of the remaining battery levels; and an imaging unit that performs the X-ray imaging of the object using wireless sensors sequentially consisting of those in descending order of the priority order assigned by the control unit up to a wireless sensor having a preset order number, as determined according to the imaging condition.