6655225 has 12 divisors (see below), whose sum is σ = 8687440. Its totient is φ = 5043600.

The previous prime is 6655199. The next prime is 6655237. The reversal of 6655225 is 5225566.

It is not a de Polignac number, because 6655225 - 2⁷ = 6655097 is a prime.

6655225 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6531 + ... + 7480.

Almost surely, 2^6655225 is an apocalyptic number.

It is an amenable number.

6655225 is a deficient number, since it is larger than the sum of its proper divisors (2032215).

6655225 is a wasteful number, since it uses less digits than its factorization.

6655225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14040 (or 14035 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 6655225 is about 2579.7722767717. The cubic root of 6655225 is about 188.0994739154.

The spelling of 6655225 in words is "six million, six hundred fifty-five thousand, two hundred twenty-five".