33224423 has 4 divisors (see below), whose sum is σ = 33997128. Its totient is φ = 32451720.

The previous prime is 33224413. The next prime is 33224431. The reversal of 33224423 is 32442233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32442233 = 1873 ⋅17321.

It is a cyclic number.

It is not a de Polignac number, because 33224423 - 2¹⁴ = 33208039 is a prime.

It is a super-2 number, since 2×33224423² = 2207724567365858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33224413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386288 + ... + 386373.

It is an arithmetic number, because the mean of its divisors is an integer number (8499282).

Almost surely, 2^33224423 is an apocalyptic number.

33224423 is a deficient number, since it is larger than the sum of its proper divisors (772705).

33224423 is an equidigital number, since it uses as much as digits as its factorization.

33224423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772704.

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

The square root of 33224423 is about 5764.0630634996. The cubic root of 33224423 is about 321.4789065346.

Adding to 33224423 its reverse (32442233), we get a palindrome (65666656).

The spelling of 33224423 in words is "thirty-three million, two hundred twenty-four thousand, four hundred twenty-three".