3636225 has 24 divisors (see below), whose sum is σ = 6681120. Its totient is φ = 1938960.

The previous prime is 3636221. The next prime is 3636233. The reversal of 3636225 is 5226363.

3636225 is a `hidden beast` number, since 3 + 636 + 2 + 25 = 666.

3636225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3636225 - 2² = 3636221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3 + 6⁴ + 3² + 6⁸ + 2⁷ + 2¹¹ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (3636221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2019 + ... + 3368.

It is an arithmetic number, because the mean of its divisors is an integer number (278380).

Almost surely, 2^3636225 is an apocalyptic number.

It is an amenable number.

3636225 is a deficient number, since it is larger than the sum of its proper divisors (3044895).

3636225 is a wasteful number, since it uses less digits than its factorization.

3636225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406 (or 5395 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 3636225 is about 1906.8888273835. Note that the first 4 decimals coincide. The cubic root of 3636225 is about 153.7742377018.

The spelling of 3636225 in words is "three million, six hundred thirty-six thousand, two hundred twenty-five".