7020225 has 36 divisors (see below), whose sum is σ = 12897612. Its totient is φ = 3648000.

The previous prime is 7020199. The next prime is 7020227. The reversal of 7020225 is 5220207.

It is a happy number.

7020225 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3549456 + 3470769 = 1884^2 + 1863^2 .

It is not a de Polignac number, because 7020225 - 2⁶ = 7020161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7020198 and 7020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8845 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (358267).

Almost surely, 2^7020225 is an apocalyptic number.

7020225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7020225 is a deficient number, since it is larger than the sum of its proper divisors (5877387).

7020225 is a wasteful number, since it uses less digits than its factorization.

7020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7020225 is about 2649.5707199469. The cubic root of 7020225 is about 191.4771746184.

Subtracting from 7020225 its sum of digits (18), we obtain a palindrome (7020207).

The spelling of 7020225 in words is "seven million, twenty thousand, two hundred twenty-five".