7225418 has 8 divisors (see below), whose sum is σ = 11187840. Its totient is φ = 3496140.

The previous prime is 7225417. The next prime is 7225429. The reversal of 7225418 is 8145227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7225417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58208 + ... + 58331.

It is an arithmetic number, because the mean of its divisors is an integer number (1398480).

Almost surely, 2^7225418 is an apocalyptic number.

7225418 is a deficient number, since it is larger than the sum of its proper divisors (3962422).

7225418 is a wasteful number, since it uses less digits than its factorization.

7225418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116572.

The product of its digits is 4480, while the sum is 29.

The square root of 7225418 is about 2688.0137648457. The cubic root of 7225418 is about 193.3248397643.

The spelling of 7225418 in words is "seven million, two hundred twenty-five thousand, four hundred eighteen".