223322220220 has 96 divisors (see below), whose sum is σ = 524308075200. Its totient is φ = 79194316800.

The previous prime is 223322220167. The next prime is 223322220223. The reversal of 223322220220 is 22022223322.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 223322220191 and 223322220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223322220223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33993096 + ... + 33999664.

It is an arithmetic number, because the mean of its divisors is an integer number (5461542450).

Almost surely, 2^223322220220 is an apocalyptic number.

223322220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223322220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262154037600).

223322220220 is an abundant number, since it is smaller than the sum of its proper divisors (300985854980).

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

223322220220 is a wasteful number, since it uses less digits than its factorization.

223322220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399 (or 10397 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 223322220220 its reverse (22022223322), we get a palindrome (245344443542).

The spelling of 223322220220 in words is "two hundred twenty-three billion, three hundred twenty-two million, two hundred twenty thousand, two hundred twenty".