6634225 has 24 divisors (see below), whose sum is σ = 8983800. Its totient is φ = 4830720.

The previous prime is 6634223. The next prime is 6634231. The reversal of 6634225 is 5224366.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 4096576 + 2537649 = 2024^2 + 1593^2 .

It is not a de Polignac number, because 6634225 - 2¹ = 6634223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6634193 and 6634202.

It is not an unprimeable number, because it can be changed into a prime (6634223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 44451 + ... + 44599.

It is an arithmetic number, because the mean of its divisors is an integer number (374325).

Almost surely, 2^6634225 is an apocalyptic number.

6634225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6634225 is a deficient number, since it is larger than the sum of its proper divisors (2349575).

6634225 is a wasteful number, since it uses less digits than its factorization.

6634225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 6634225 is about 2575.6989342701. The cubic root of 6634225 is about 187.9014214592.

It can be divided in two parts, 6634 and 225, that added together give a cube (6859 = 19³).

The spelling of 6634225 in words is "six million, six hundred thirty-four thousand, two hundred twenty-five".