223522432 has 64 divisors (see below), whose sum is σ = 514814400. Its totient is φ = 94685184.

The previous prime is 223522421. The next prime is 223522433. The reversal of 223522432 is 234225322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 223522397 and 223522406.

It is not an unprimeable number, because it can be changed into a prime (223522433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78343 + ... + 81145.

It is an arithmetic number, because the mean of its divisors is an integer number (8043975).

Almost surely, 2^223522432 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 223522432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257407200).

223522432 is an abundant number, since it is smaller than the sum of its proper divisors (291291968).

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

223522432 is an equidigital number, since it uses as much as digits as its factorization.

223522432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913 (or 2901 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 223522432 is about 14950.6666072119. Note that the first 4 decimals coincide. The cubic root of 223522432 is about 606.8858867747.

Adding to 223522432 its reverse (234225322), we get a palindrome (457747754).

The spelling of 223522432 in words is "two hundred twenty-three million, five hundred twenty-two thousand, four hundred thirty-two".