3352221 has 12 divisors (see below), whose sum is σ = 4872348. Its totient is φ = 2220864.

The previous prime is 3352199. The next prime is 3352249. The reversal of 3352221 is 1222533.

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 1726596 = 1275^2 + 1314^2 .

It is not a de Polignac number, because 3352221 - 2⁷ = 3352093 is a prime.

It is a super-2 number, since 2×3352221² = 22474771265682, which contains 22 as substring.

3352221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3352194 and 3352203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3353221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (406029).

Almost surely, 2^3352221 is an apocalyptic number.

It is an amenable number.

3352221 is a deficient number, since it is larger than the sum of its proper divisors (1520127).

3352221 is a wasteful number, since it uses less digits than its factorization.

3352221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2329 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 3352221 is about 1830.9071522062. The cubic root of 3352221 is about 149.6617712486.

Adding to 3352221 its reverse (1222533), we get a palindrome (4574754).

It can be divided in two parts, 335 and 2221, that added together give a triangular number (2556 = T₇₁).

The spelling of 3352221 in words is "three million, three hundred fifty-two thousand, two hundred twenty-one".