3238221 has 16 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 1804800.

The previous prime is 3238219. The next prime is 3238223. The reversal of 3238221 is 1228323.

3238221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3238219) and next prime (3238223).

It is not a de Polignac number, because 3238221 - 2¹ = 3238219 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238223) 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 15 ways as a sum of consecutive naturals, for example, 1020 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^3238221 is an apocalyptic number.

It is an amenable number.

3238221 is a deficient number, since it is larger than the sum of its proper divisors (1817907).

3238221 is a wasteful number, since it uses less digits than its factorization.

3238221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812.

The product of its digits is 576, while the sum is 21.

The square root of 3238221 is about 1799.5057654812. The cubic root of 3238221 is about 147.9456368393.

The spelling of 3238221 in words is "three million, two hundred thirty-eight thousand, two hundred twenty-one".