233320033221 has 32 divisors (see below), whose sum is σ = 344275577856. Its totient is φ = 139365408000.

The previous prime is 233320033211. The next prime is 233320033259. The reversal of 233320033221 is 122330023332.

It is not a de Polignac number, because 233320033221 - 2¹⁸ = 233319771077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233320033191 and 233320033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233320033211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7296550 + ... + 7328456.

It is an arithmetic number, because the mean of its divisors is an integer number (10758611808).

Almost surely, 2^233320033221 is an apocalyptic number.

It is an amenable number.

233320033221 is a deficient number, since it is larger than the sum of its proper divisors (110955544635).

233320033221 is a wasteful number, since it uses less digits than its factorization.

233320033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35113.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 233320033221 its reverse (122330023332), we get a palindrome (355650056553).

The spelling of 233320033221 in words is "two hundred thirty-three billion, three hundred twenty million, thirty-three thousand, two hundred twenty-one".