4221333 has 6 divisors (see below), whose sum is σ = 6097494. Its totient is φ = 2814216.

The previous prime is 4221323. The next prime is 4221337. The reversal of 4221333 is 3331224.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 603729 = 1902^2 + 777^2 .

It is not a de Polignac number, because 4221333 - 2¹² = 4217237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234510 + ... + 234527.

It is an arithmetic number, because the mean of its divisors is an integer number (1016249).

Almost surely, 2^4221333 is an apocalyptic number.

It is an amenable number.

4221333 is a deficient number, since it is larger than the sum of its proper divisors (1876161).

4221333 is a wasteful number, since it uses less digits than its factorization.

4221333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469043 (or 469040 counting only the distinct ones).

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

The square root of 4221333 is about 2054.5882799237. The cubic root of 4221333 is about 161.6155722381.

Adding to 4221333 its reverse (3331224), we get a palindrome (7552557).

It can be divided in two parts, 4221 and 333, that added together give a palindrome (4554).

The spelling of 4221333 in words is "four million, two hundred twenty-one thousand, three hundred thirty-three".