223003220 has 48 divisors (see below), whose sum is σ = 512265600. Its totient is φ = 80872320.

The previous prime is 223003217. The next prime is 223003267. The reversal of 223003220 is 22300322.

It is a super-2 number, since 2×223003220² = 99460872260736800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223003195 and 223003204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95426 + ... + 97734.

It is an arithmetic number, because the mean of its divisors is an integer number (10672200).

Almost surely, 2^223003220 is an apocalyptic number.

223003220 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 223003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256132800).

223003220 is an abundant number, since it is smaller than the sum of its proper divisors (289262380).

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

223003220 is a wasteful number, since it uses less digits than its factorization.

223003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768 (or 2766 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 223003220 is about 14933.2923362532. The cubic root of 223003220 is about 606.4156181943.

Adding to 223003220 its reverse (22300322), we get a palindrome (245303542).

The spelling of 223003220 in words is "two hundred twenty-three million, three thousand, two hundred twenty".