3321224 has 8 divisors (see below), whose sum is σ = 6227310. Its totient is φ = 1660608.

The previous prime is 3321217. The next prime is 3321229. The reversal of 3321224 is 4221233.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 465124 = 1690^2 + 682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3321224² = 22061057716352, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207569 + ... + 207584.

Almost surely, 2^3321224 is an apocalyptic number.

It is an amenable number.

3321224 is a deficient number, since it is larger than the sum of its proper divisors (2906086).

3321224 is a wasteful number, since it uses less digits than its factorization.

3321224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415159 (or 415155 counting only the distinct ones).

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

The square root of 3321224 is about 1822.4225635126. The cubic root of 3321224 is about 149.1990493175.

Adding to 3321224 its reverse (4221233), we get a palindrome (7542457).

Subtracting 3321224 from its reverse (4221233), we obtain a palindrome (900009).

The spelling of 3321224 in words is "three million, three hundred twenty-one thousand, two hundred twenty-four".