3424221 has 8 divisors (see below), whose sum is σ = 5072960. Its totient is φ = 2282796.

The previous prime is 3424207. The next prime is 3424231. The reversal of 3424221 is 1224243.

It is not a de Polignac number, because 3424221 - 2⁷ = 3424093 is a prime.

It is a Duffinian number.

3424221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3424194 and 3424203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3424231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63385 + ... + 63438.

It is an arithmetic number, because the mean of its divisors is an integer number (634120).

Almost surely, 2^3424221 is an apocalyptic number.

It is an amenable number.

3424221 is a deficient number, since it is larger than the sum of its proper divisors (1648739).

3424221 is a wasteful number, since it uses less digits than its factorization.

3424221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126832 (or 126826 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 3424221 is about 1850.4650766767. The cubic root of 3424221 is about 150.7256835609.

Adding to 3424221 its reverse (1224243), we get a palindrome (4648464).

The spelling of 3424221 in words is "three million, four hundred twenty-four thousand, two hundred twenty-one".