7225798 has 4 divisors (see below), whose sum is σ = 10838700. Its totient is φ = 3612898.

The previous prime is 7225793. The next prime is 7225807. The reversal of 7225798 is 8975227.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7225798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806448 + ... + 1806451.

It is an arithmetic number, because the mean of its divisors is an integer number (2709675).

Almost surely, 2^7225798 is an apocalyptic number.

7225798 is a deficient number, since it is larger than the sum of its proper divisors (3612902).

7225798 is a wasteful number, since it uses less digits than its factorization.

7225798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612901.

The product of its digits is 70560, while the sum is 40.

The square root of 7225798 is about 2688.0844480782. The cubic root of 7225798 is about 193.3282288255.

The spelling of 7225798 in words is "seven million, two hundred twenty-five thousand, seven hundred ninety-eight".