7227306 has 28 divisors (see below), whose sum is σ = 16257282. Its totient is φ = 2408616.

The previous prime is 7227301. The next prime is 7227317. The reversal of 7227306 is 6037227.

It can be written as a sum of positive squares in only one way, i.e., 5022081 + 2205225 = 2241^2 + 1485^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7227306.

It is not an unprimeable number, because it can be changed into a prime (7227301) 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 13 ways as a sum of consecutive naturals, for example, 1021 + ... + 3936.

Almost surely, 2^7227306 is an apocalyptic number.

7227306 is an abundant number, since it is smaller than the sum of its proper divisors (9029976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7227306 is an equidigital number, since it uses as much as digits as its factorization.

7227306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4962 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 7227306 is about 2688.3649305851. The cubic root of 7227306 is about 193.3416768760.

The spelling of 7227306 in words is "seven million, two hundred twenty-seven thousand, three hundred six".