33224243 has 4 divisors (see below), whose sum is σ = 35779968. Its totient is φ = 30668520.

The previous prime is 33224221. The next prime is 33224267. The reversal of 33224243 is 34242233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33224243 - 2²⁰ = 32175667 is a prime.

It is a super-2 number, since 2×33224243² = 2207700645846098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33224743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277843 + ... + 1277868.

It is an arithmetic number, because the mean of its divisors is an integer number (8944992).

Almost surely, 2^33224243 is an apocalyptic number.

33224243 is a deficient number, since it is larger than the sum of its proper divisors (2555725).

33224243 is a wasteful number, since it uses less digits than its factorization.

33224243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555724.

The product of its digits is 3456, while the sum is 23.

The square root of 33224243 is about 5764.0474494924. The cubic root of 33224243 is about 321.4783259747.

Adding to 33224243 its reverse (34242233), we get a palindrome (67466476).

The spelling of 33224243 in words is "thirty-three million, two hundred twenty-four thousand, two hundred forty-three".