223221333220 has 24 divisors (see below), whose sum is σ = 496339200504. Its totient is φ = 84036266496.

The previous prime is 223221333217. The next prime is 223221333221. The reversal of 223221333220 is 22333122322.

223221333220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 111114222244 + 112107110976 = 333338^2 + 334824^2 .

It is a super-3 number, since 3×223221333220³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223221333221) 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, 328266327 + ... + 328267006.

It is an arithmetic number, because the mean of its divisors is an integer number (20680800021).

Almost surely, 2^223221333220 is an apocalyptic number.

223221333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223221333220 is an abundant number, since it is smaller than the sum of its proper divisors (273117867284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223221333220 is a wasteful number, since it uses less digits than its factorization.

223221333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656533359 (or 656533357 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 223221333220 its reverse (22333122322), we get a palindrome (245554455542).

The spelling of 223221333220 in words is "two hundred twenty-three billion, two hundred twenty-one million, three hundred thirty-three thousand, two hundred twenty".