2433221 has 8 divisors (see below), whose sum is σ = 2870784. Its totient is φ = 2018160.

The previous prime is 2433217. The next prime is 2433247. The reversal of 2433221 is 1223342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2433221 - 2² = 2433217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2433221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2433251) 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, 5390 + ... + 5823.

It is an arithmetic number, because the mean of its divisors is an integer number (358848).

2^2433221 is an apocalyptic number.

It is an amenable number.

2433221 is a deficient number, since it is larger than the sum of its proper divisors (437563).

2433221 is a wasteful number, since it uses less digits than its factorization.

2433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251.

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

The square root of 2433221 is about 1559.8785209112. The cubic root of 2433221 is about 134.5015178355.

Adding to 2433221 its reverse (1223342), we get a palindrome (3656563).

The spelling of 2433221 in words is "two million, four hundred thirty-three thousand, two hundred twenty-one".