223442432 has 80 divisors (see below), whose sum is σ = 476636160. Its totient is φ = 104343552.

The previous prime is 223442393. The next prime is 223442437. The reversal of 223442432 is 234244322.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223442437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001873 + ... + 1002095.

It is an arithmetic number, because the mean of its divisors is an integer number (5957952).

Almost surely, 2^223442432 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 223442432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238318080).

223442432 is an abundant number, since it is smaller than the sum of its proper divisors (253193728).

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

223442432 is a wasteful number, since it uses less digits than its factorization.

223442432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 347 counting only the distinct ones).

The product of its digits is 9216, while the sum is 26.

The square root of 223442432 is about 14947.9909017901. The cubic root of 223442432 is about 606.8134754528.

Adding to 223442432 its reverse (234244322), we get a palindrome (457686754).

The spelling of 223442432 in words is "two hundred twenty-three million, four hundred forty-two thousand, four hundred thirty-two".