7224305 has 12 divisors (see below), whose sum is σ = 9529716. Its totient is φ = 5253600.

The previous prime is 7224289. The next prime is 7224311. The reversal of 7224305 is 5034227.

It can be written as a sum of positive squares in 2 ways, for example, as 2238016 + 4986289 = 1496^2 + 2233^2 .

It is not a de Polignac number, because 7224305 - 2⁴ = 7224289 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5366 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (794143).

Almost surely, 2^7224305 is an apocalyptic number.

It is an amenable number.

7224305 is a deficient number, since it is larger than the sum of its proper divisors (2305411).

7224305 is a wasteful number, since it uses less digits than its factorization.

7224305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968 (or 11957 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 7224305 is about 2687.8067266826. The cubic root of 7224305 is about 193.3149126986.

The spelling of 7224305 in words is "seven million, two hundred twenty-four thousand, three hundred five".