7057225 has 24 divisors (see below), whose sum is σ = 10217600. Its totient is φ = 4833360.

The previous prime is 7057201. The next prime is 7057229. The reversal of 7057225 is 5227507.

It is not a de Polignac number, because 7057225 - 2⁹ = 7056713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7057193 and 7057202.

It is not an unprimeable number, because it can be changed into a prime (7057229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8164 + ... + 8986.

Almost surely, 2^7057225 is an apocalyptic number.

It is an amenable number.

7057225 is a deficient number, since it is larger than the sum of its proper divisors (3160375).

7057225 is an equidigital number, since it uses as much as digits as its factorization.

7057225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 7057225 is about 2656.5438072804. The cubic root of 7057225 is about 191.8129779699.

The spelling of 7057225 in words is "seven million, fifty-seven thousand, two hundred twenty-five".