7225526 has 16 divisors (see below), whose sum is σ = 13512960. Its totient is φ = 2815080.

The previous prime is 7225513. The next prime is 7225531. The reversal of 7225526 is 6255227.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 23306 + ... + 23613.

It is an arithmetic number, because the mean of its divisors is an integer number (844560).

Almost surely, 2^7225526 is an apocalyptic number.

7225526 is a deficient number, since it is larger than the sum of its proper divisors (6287434).

7225526 is a wasteful number, since it uses less digits than its factorization.

7225526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46939.

The product of its digits is 8400, while the sum is 29.

The square root of 7225526 is about 2688.0338539535. The cubic root of 7225526 is about 193.3258029832.

Subtracting from 7225526 its reverse (6255227), we obtain a cube (970299 = 99³).

The spelling of 7225526 in words is "seven million, two hundred twenty-five thousand, five hundred twenty-six".