223030344 has 32 divisors (see below), whose sum is σ = 590375520. Its totient is φ = 69970176.

The previous prime is 223030343. The next prime is 223030363. The reversal of 223030344 is 443030322.

It is a self number, because there is not a number n which added to its sum of digits gives 223030344.

It is not an unprimeable number, because it can be changed into a prime (223030343) 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, 272914 + ... + 273729.

It is an arithmetic number, because the mean of its divisors is an integer number (18449235).

Almost surely, 2^223030344 is an apocalyptic number.

223030344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223030344 is an abundant number, since it is smaller than the sum of its proper divisors (367345176).

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

223030344 is a wasteful number, since it uses less digits than its factorization.

223030344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546669 (or 546665 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223030344 is about 14934.2004807757. The cubic root of 223030344 is about 606.4402034154.

Adding to 223030344 its reverse (443030322), we get a palindrome (666060666).

The spelling of 223030344 in words is "two hundred twenty-three million, thirty thousand, three hundred forty-four".