223043220 has 120 divisors (see below), whose sum is σ = 705706848. Its totient is φ = 58968000.

The previous prime is 223043209. The next prime is 223043231. The reversal of 223043220 is 22340322.

223043220 is a `hidden beast` number, since 2 + 230 + 432 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (223043209) and next prime (223043231).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 223043193 and 223043202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 211695 + ... + 212745.

Almost surely, 2^223043220 is an apocalyptic number.

223043220 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 223043220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352853424).

223043220 is an abundant number, since it is smaller than the sum of its proper divisors (482663628).

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

223043220 is a wasteful number, since it uses less digits than its factorization.

223043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 223043220 is about 14934.6315655928. The cubic root of 223043220 is about 606.4518735372.

Adding to 223043220 its reverse (22340322), we get a palindrome (245383542).

The spelling of 223043220 in words is "two hundred twenty-three million, forty-three thousand, two hundred twenty".