223105432 has 64 divisors (see below), whose sum is σ = 469929600. Its totient is φ = 98442240.

The previous prime is 223105423. The next prime is 223105453. The reversal of 223105432 is 234501322.

It is a super-3 number, since 3×223105432³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 503403 + ... + 503845.

It is an arithmetic number, because the mean of its divisors is an integer number (7342650).

Almost surely, 2^223105432 is an apocalyptic number.

223105432 is a gapful number since it is divisible by the number (22) 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 223105432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234964800).

223105432 is an abundant number, since it is smaller than the sum of its proper divisors (246824168).

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

223105432 is a wasteful number, since it uses less digits than its factorization.

223105432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 223105432 is about 14936.7142303788. The cubic root of 223105432 is about 606.5082528594.

Adding to 223105432 its reverse (234501322), we get a palindrome (457606754).

The spelling of 223105432 in words is "two hundred twenty-three million, one hundred five thousand, four hundred thirty-two".