223243250 has 16 divisors (see below), whose sum is σ = 417911832. Its totient is φ = 89297200.

The previous prime is 223243231. The next prime is 223243259. The reversal of 223243250 is 52342322.

It can be written as a sum of positive squares in 4 ways, for example, as 11162281 + 212080969 = 3341^2 + 14563^2 .

It is a super-3 number, since 3×223243250³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223243259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446237 + ... + 446736.

Almost surely, 2^223243250 is an apocalyptic number.

223243250 is a deficient number, since it is larger than the sum of its proper divisors (194668582).

223243250 is an equidigital number, since it uses as much as digits as its factorization.

223243250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892990 (or 892980 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 223243250 is about 14941.3269156391. The cubic root of 223243250 is about 606.6331124353.

Adding to 223243250 its reverse (52342322), we get a palindrome (275585572).

The spelling of 223243250 in words is "two hundred twenty-three million, two hundred forty-three thousand, two hundred fifty".