7225317 has 24 divisors (see below), whose sum is σ = 11587680. Its totient is φ = 4301280.

The previous prime is 7225303. The next prime is 7225327. The reversal of 7225317 is 7135227.

It is not a de Polignac number, because 7225317 - 2⁷ = 7225189 is a prime.

7225317 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5223 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (482820).

Almost surely, 2^7225317 is an apocalyptic number.

It is an amenable number.

7225317 is a deficient number, since it is larger than the sum of its proper divisors (4362363).

7225317 is a wasteful number, since it uses less digits than its factorization.

7225317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1310 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 7225317 is about 2687.9949776739. The cubic root of 7225317 is about 193.3239389675.

Adding to 7225317 its sum of digits (27), we get a square (7225344 = 2688²).

The spelling of 7225317 in words is "seven million, two hundred twenty-five thousand, three hundred seventeen".