3432221 has 12 divisors (see below), whose sum is σ = 3882528. Its totient is φ = 3027024.

The previous prime is 3432203. The next prime is 3432223. The reversal of 3432221 is 1222343.

It is a de Polignac number, because none of the positive numbers 2^k-3432221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3432221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3432223) 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 11 ways as a sum of consecutive naturals, for example, 3446 + ... + 4328.

It is an arithmetic number, because the mean of its divisors is an integer number (323544).

Almost surely, 2^3432221 is an apocalyptic number.

It is an amenable number.

3432221 is a deficient number, since it is larger than the sum of its proper divisors (450307).

3432221 is a wasteful number, since it uses less digits than its factorization.

3432221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 919 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 3432221 is about 1852.6254343499. The cubic root of 3432221 is about 150.8429722956.

Adding to 3432221 its reverse (1222343), we get a palindrome (4654564).

It can be divided in two parts, 34322 and 21, that added together give a palindrome (34343).

The spelling of 3432221 in words is "three million, four hundred thirty-two thousand, two hundred twenty-one".