Upon the filing of an application the director shall make or cause to be made an investigation and examination of the facts concerning the applicant and shall issue a charter if he finds:
(1) The applicant is a corporation having powers and purposes to engage in the trust business, organized under the laws of this state or authorized to do business in this state as a foreign corporation; and
(2) The applicant has complied with all of the applicable provisions of this act; and
(3) The ability and integrity of the persons involved in the management of the applicant’s business are such as to demonstrate that it will be operated in a sound and lawful manner; and
(4) The applicant has adequate facilities to engage in trust business.