223030242 has 96 divisors (see below), whose sum is σ = 543095280. Its totient is φ = 65802240.

The previous prime is 223030237. The next prime is 223030253. The reversal of 223030242 is 242030322.

It can be written as a sum of positive squares in 8 ways, for example, as 19368801 + 203661441 = 4401^2 + 14271^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363528 + ... + 364140.

Almost surely, 2^223030242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223030242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271547640).

223030242 is an abundant number, since it is smaller than the sum of its proper divisors (320065038).

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

223030242 is a wasteful number, since it uses less digits than its factorization.

223030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 223030242 is about 14934.1970657950. The cubic root of 223030242 is about 606.4401109662.

Adding to 223030242 its reverse (242030322), we get a palindrome (465060564).

The spelling of 223030242 in words is "two hundred twenty-three million, thirty thousand, two hundred forty-two".