220233321 has 24 divisors (see below), whose sum is σ = 396611904. Its totient is φ = 114406560.

The previous prime is 220233311. The next prime is 220233329. The reversal of 220233321 is 123332022.

It is a happy number.

220233321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220233321 - 2¹¹ = 220231273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220233294 and 220233303.

It is not an unprimeable number, because it can be changed into a prime (220233329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158206 + ... + 159591.

It is an arithmetic number, because the mean of its divisors is an integer number (16525496).

Almost surely, 2^220233321 is an apocalyptic number.

220233321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220233321 is a deficient number, since it is larger than the sum of its proper divisors (176378583).

220233321 is a wasteful number, since it uses less digits than its factorization.

220233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317821 (or 317818 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 220233321 is about 14840.2601392294. The cubic root of 220233321 is about 603.8944096006.

Adding to 220233321 its reverse (123332022), we get a palindrome (343565343).

The spelling of 220233321 in words is "two hundred twenty million, two hundred thirty-three thousand, three hundred twenty-one".