7224085 has 32 divisors (see below), whose sum is σ = 10321920. Its totient is φ = 4795200.

The previous prime is 7224073. The next prime is 7224089. The reversal of 7224085 is 5804227.

It is not a de Polignac number, because 7224085 - 2¹¹ = 7222037 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32284 + ... + 32506.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

Almost surely, 2^7224085 is an apocalyptic number.

It is an amenable number.

7224085 is a deficient number, since it is larger than the sum of its proper divisors (3097835).

7224085 is a wasteful number, since it uses less digits than its factorization.

7224085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7224085 is about 2687.7658008093. The cubic root of 7224085 is about 193.3129503547.

The spelling of 7224085 in words is "seven million, two hundred twenty-four thousand, eighty-five".