3433221 has 12 divisors (see below), whose sum is σ = 5410080. Its totient is φ = 2080680.

The previous prime is 3433211. The next prime is 3433229. The reversal of 3433221 is 1223343.

3433221 is a `hidden beast` number, since 343 + 322 + 1 = 666.

It is not a de Polignac number, because 3433221 - 2⁵ = 3433189 is a prime.

3433221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3433194 and 3433203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3433229) 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, 17241 + ... + 17438.

It is an arithmetic number, because the mean of its divisors is an integer number (450840).

Almost surely, 2^3433221 is an apocalyptic number.

It is an amenable number.

3433221 is a deficient number, since it is larger than the sum of its proper divisors (1976859).

3433221 is a wasteful number, since it uses less digits than its factorization.

3433221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34696 (or 34693 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 3433221 is about 1852.8953019531. The cubic root of 3433221 is about 150.8576205680.

Adding to 3433221 its reverse (1223343), we get a palindrome (4656564).

The spelling of 3433221 in words is "three million, four hundred thirty-three thousand, two hundred twenty-one".