223855324 has 54 divisors (see below), whose sum is σ = 500952480. Its totient is φ = 87207120.

The previous prime is 223855273. The next prime is 223855327. The reversal of 223855324 is 423558322.

It is a super-2 number, since 2×223855324² = 100222412166289952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223855324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223855327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18997 + ... + 28435.

Almost surely, 2^223855324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223855324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250476240).

223855324 is an abundant number, since it is smaller than the sum of its proper divisors (277097156).

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

223855324 is a wasteful number, since it uses less digits than its factorization.

223855324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9479 (or 9459 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 223855324 is about 14961.7954804896. The cubic root of 223855324 is about 607.1870157554.

The spelling of 223855324 in words is "two hundred twenty-three million, eight hundred fifty-five thousand, three hundred twenty-four".