7702225 has 12 divisors (see below), whose sum is σ = 9732636. Its totient is φ = 6044480.

The previous prime is 7702213. The next prime is 7702243. The reversal of 7702225 is 5222077.

It can be written as a sum of positive squares in 6 ways, for example, as 40401 + 7661824 = 201^2 + 2768^2 .

It is not a de Polignac number, because 7702225 - 2⁹ = 7701713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7702225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1582 + ... + 4231.

It is an arithmetic number, because the mean of its divisors is an integer number (811053).

Almost surely, 2^7702225 is an apocalyptic number.

It is an amenable number.

7702225 is a deficient number, since it is larger than the sum of its proper divisors (2030411).

7702225 is a wasteful number, since it uses less digits than its factorization.

7702225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 7702225 is about 2775.2882733150. The cubic root of 7702225 is about 197.4871005836.

The spelling of 7702225 in words is "seven million, seven hundred two thousand, two hundred twenty-five".