3452221 has 8 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 3363360.

The previous prime is 3452203. The next prime is 3452227. The reversal of 3452221 is 1222543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3452221 - 2¹³ = 3444029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3452227) 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 7 ways as a sum of consecutive naturals, for example, 6786 + ... + 7276.

It is an arithmetic number, because the mean of its divisors is an integer number (442800).

Almost surely, 2^3452221 is an apocalyptic number.

It is an amenable number.

3452221 is a deficient number, since it is larger than the sum of its proper divisors (90179).

3452221 is an equidigital number, since it uses as much as digits as its factorization.

3452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its digits is 480, while the sum is 19.

The square root of 3452221 is about 1858.0153390110. The cubic root of 3452221 is about 151.1353989259.

Adding to 3452221 its reverse (1222543), we get a palindrome (4674764).

It can be divided in two parts, 34522 and 21, that added together give a palindrome (34543).

The spelling of 3452221 in words is "three million, four hundred fifty-two thousand, two hundred twenty-one".