233220033 has 8 divisors (see below), whose sum is σ = 345511200. Its totient is φ = 155480004.

The previous prime is 233219999. The next prime is 233220049. The reversal of 233220033 is 330022332.

It is not a de Polignac number, because 233220033 - 2¹⁰ = 233219009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233219988 and 233220015.

It is not an unprimeable number, because it can be changed into a prime (233221033) 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, 4318863 + ... + 4318916.

It is an arithmetic number, because the mean of its divisors is an integer number (43188900).

Almost surely, 2^233220033 is an apocalyptic number.

It is an amenable number.

233220033 is a deficient number, since it is larger than the sum of its proper divisors (112291167).

233220033 is an equidigital number, since it uses as much as digits as its factorization.

233220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637788 (or 8637782 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 233220033 is about 15271.5432422529. The cubic root of 233220033 is about 615.5385882751.

Adding to 233220033 its reverse (330022332), we get a palindrome (563242365).

The spelling of 233220033 in words is "two hundred thirty-three million, two hundred twenty thousand, thirty-three".