223253443220 has 48 divisors (see below), whose sum is σ = 489942528768. Its totient is φ = 85368743040.

The previous prime is 223253443219. The next prime is 223253443241. The reversal of 223253443220 is 22344352322.

It is a super-3 number, since 3×223253443220³ (a number of 35 digits) contains 333 as substring.

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, 2721251 + ... + 2802090.

It is an arithmetic number, because the mean of its divisors is an integer number (10207136016).

Almost surely, 2^223253443220 is an apocalyptic number.

223253443220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223253443220 is an abundant number, since it is smaller than the sum of its proper divisors (266689085548).

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

223253443220 is a wasteful number, since it uses less digits than its factorization.

223253443220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523440 (or 5523438 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 223253443220 its reverse (22344352322), we get a palindrome (245597795542).

The spelling of 223253443220 in words is "two hundred twenty-three billion, two hundred fifty-three million, four hundred forty-three thousand, two hundred twenty".