223004212220 has 12 divisors (see below), whose sum is σ = 468308845704. Its totient is φ = 89201684880.

The previous prime is 223004212201. The next prime is 223004212237. The reversal of 223004212220 is 22212400322.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11150210611 = 223004212220 / (2 + 2 + 3 + 0 + 0 + 4 + 2 + 1 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 223004212192 and 223004212201.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5575105286 + ... + 5575105325.

It is an arithmetic number, because the mean of its divisors is an integer number (39025737142).

Almost surely, 2^223004212220 is an apocalyptic number.

223004212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223004212220 is an abundant number, since it is smaller than the sum of its proper divisors (245304633484).

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

223004212220 is a wasteful number, since it uses less digits than its factorization.

223004212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150210620 (or 11150210618 counting only the distinct ones).

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

Adding to 223004212220 its reverse (22212400322), we get a palindrome (245216612542).

The spelling of 223004212220 in words is "two hundred twenty-three billion, four million, two hundred twelve thousand, two hundred twenty".