33233421 has 8 divisors (see below), whose sum is σ = 47719840. Its totient is φ = 20451312.

The previous prime is 33233399. The next prime is 33233423. The reversal of 33233421 is 12433233.

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

It is not a de Polignac number, because 33233421 - 2⁶ = 33233357 is a prime.

It is a super-2 number, since 2×33233421² = 2208920542726482, 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 (33233423) 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, 426031 + ... + 426108.

It is an arithmetic number, because the mean of its divisors is an integer number (5964980).

Almost surely, 2^33233421 is an apocalyptic number.

It is an amenable number.

33233421 is a deficient number, since it is larger than the sum of its proper divisors (14486419).

33233421 is a wasteful number, since it uses less digits than its factorization.

33233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852155.

The product of its digits is 1296, while the sum is 21.

The square root of 33233421 is about 5764.8435364717. The cubic root of 33233421 is about 321.5079254093.

Adding to 33233421 its reverse (12433233), we get a palindrome (45666654).

The spelling of 33233421 in words is "thirty-three million, two hundred thirty-three thousand, four hundred twenty-one".