7990225 has 24 divisors (see below), whose sum is σ = 10445760. Its totient is φ = 6054720.

The previous prime is 7990183. The next prime is 7990231. The reversal of 7990225 is 5220997.

7990225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7990225 - 2⁹ = 7989713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74622 + ... + 74728.

It is an arithmetic number, because the mean of its divisors is an integer number (435240).

Almost surely, 2^7990225 is an apocalyptic number.

It is an amenable number.

7990225 is a deficient number, since it is larger than the sum of its proper divisors (2455535).

7990225 is a wasteful number, since it uses less digits than its factorization.

7990225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 7990225 is about 2826.6986043793. The cubic root of 7990225 is about 199.9185084668.

The spelling of 7990225 in words is "seven million, nine hundred ninety thousand, two hundred twenty-five".