7225306 has 16 divisors (see below), whose sum is σ = 12519360. Its totient is φ = 3090880.

The previous prime is 7225303. The next prime is 7225327. The reversal of 7225306 is 6035227.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7225303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9286 + ... + 10033.

It is an arithmetic number, because the mean of its divisors is an integer number (782460).

Almost surely, 2^7225306 is an apocalyptic number.

7225306 is a deficient number, since it is larger than the sum of its proper divisors (5294054).

7225306 is a wasteful number, since it uses less digits than its factorization.

7225306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19349.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 7225306 is about 2687.9929315383. The cubic root of 7225306 is about 193.3238408604.

The spelling of 7225306 in words is "seven million, two hundred twenty-five thousand, three hundred six".