7225615 has 8 divisors (see below), whose sum is σ = 8800560. Its totient is φ = 5693952.

The previous prime is 7225607. The next prime is 7225651. The reversal of 7225615 is 5165227.

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

It is a cyclic number.

It is not a de Polignac number, because 7225615 - 2³ = 7225607 is a prime.

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, 10450 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (1100070).

Almost surely, 2^7225615 is an apocalyptic number.

7225615 is a deficient number, since it is larger than the sum of its proper divisors (1574945).

7225615 is a wasteful number, since it uses less digits than its factorization.

7225615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21641.

The product of its digits is 4200, while the sum is 28.

The square root of 7225615 is about 2688.0504087535. The cubic root of 7225615 is about 193.3265967398.

The spelling of 7225615 in words is "seven million, two hundred twenty-five thousand, six hundred fifteen".