7225340 has 48 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 2675712.

The previous prime is 7225327. The next prime is 7225349. The reversal of 7225340 is 435227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26726 + ... + 26994.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^7225340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7225340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8164800).

7225340 is an abundant number, since it is smaller than the sum of its proper divisors (9104260).

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

7225340 is a wasteful number, since it uses less digits than its factorization.

7225340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

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

The square root of 7225340 is about 2687.9992559523. Note that the first 3 decimals coincide. The cubic root of 7225340 is about 193.3241441002.

The spelling of 7225340 in words is "seven million, two hundred twenty-five thousand, three hundred forty".