3238225 has 6 divisors (see below), whose sum is σ = 4015430. Its totient is φ = 2590560.

The previous prime is 3238223. The next prime is 3238231. The reversal of 3238225 is 5228323.

It can be written as a sum of positive squares in 3 ways, for example, as 571536 + 2666689 = 756^2 + 1633^2 .

It is not a de Polignac number, because 3238225 - 2¹ = 3238223 is a prime.

It is a super-2 number, since 2×3238225² = 20972202301250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 129529 = 3238225 / (3 + 2 + 3 + 8 + 2 + 2 + 5).

It is a d-powerful number, because it can be written as 3¹⁰ + 2⁶ + 3¹¹ + 8 + 2⁸ + 2²⁰ + 5⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3238225.

It is not an unprimeable number, because it can be changed into a prime (3238223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64740 + ... + 64789.

Almost surely, 2^3238225 is an apocalyptic number.

It is an amenable number.

3238225 is a deficient number, since it is larger than the sum of its proper divisors (777205).

3238225 is a wasteful number, since it uses less digits than its factorization.

3238225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129539 (or 129534 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 3238225 is about 1799.5068768971. The cubic root of 3238225 is about 147.9456977557.

The spelling of 3238225 in words is "three million, two hundred thirty-eight thousand, two hundred twenty-five".