223231112 has 32 divisors (see below), whose sum is σ = 451747800. Its totient is φ = 102802944.

The previous prime is 223231111. The next prime is 223231121. The reversal of 223231112 is 211132322.

It can be written as a sum of positive squares in 4 ways, for example, as 214739716 + 8491396 = 14654^2 + 2914^2 .

It is a super-3 number, since 3×223231112³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223231111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50828 + ... + 55044.

Almost surely, 2^223231112 is an apocalyptic number.

It is an amenable number.

223231112 is an abundant number, since it is smaller than the sum of its proper divisors (228516688).

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

223231112 is a wasteful number, since it uses less digits than its factorization.

223231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745 (or 4741 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 223231112 is about 14940.9207212943. The cubic root of 223231112 is about 606.6221177823.

Adding to 223231112 its reverse (211132322), we get a palindrome (434363434).

The spelling of 223231112 in words is "two hundred twenty-three million, two hundred thirty-one thousand, one hundred twelve".