223202221220 has 48 divisors (see below), whose sum is σ = 511404316416. Its totient is φ = 81153600000.

The previous prime is 223202221199. The next prime is 223202221237. The reversal of 223202221220 is 22122202322.

It is a super-3 number, since 3×223202221220³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 223202221192 and 223202221201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1685420 + ... + 1813020.

It is an arithmetic number, because the mean of its divisors is an integer number (10654256592).

Almost surely, 2^223202221220 is an apocalyptic number.

223202221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223202221220 is an abundant number, since it is smaller than the sum of its proper divisors (288202095196).

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

223202221220 is a wasteful number, since it uses less digits than its factorization.

223202221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135572 (or 135570 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 223202221220 its reverse (22122202322), we get a palindrome (245324423542).

The spelling of 223202221220 in words is "two hundred twenty-three billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty".