3207225 has 48 divisors (see below), whose sum is σ = 6249600. Its totient is φ = 1420800.

The previous prime is 3207221. The next prime is 3207227. The reversal of 3207225 is 5227023.

It is not a de Polignac number, because 3207225 - 2² = 3207221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3207221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21451 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

Almost surely, 2^3207225 is an apocalyptic number.

3207225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3207225 is a deficient number, since it is larger than the sum of its proper divisors (3042375).

3207225 is a wasteful number, since it uses less digits than its factorization.

3207225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3207225 is about 1790.8726922928. The cubic root of 3207225 is about 147.4720812811.

The spelling of 3207225 in words is "three million, two hundred seven thousand, two hundred twenty-five".