223520112 has 30 divisors (see below), whose sum is σ = 625546272. Its totient is φ = 74506656.

The previous prime is 223520053. The next prime is 223520117. The reversal of 223520112 is 211025322.

It is a super-2 number, since 2×223520112² = 99922480936985088, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223520117) 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 5 ways as a sum of consecutive naturals, for example, 775968 + ... + 776255.

Almost surely, 2^223520112 is an apocalyptic number.

It is an amenable number.

223520112 is an abundant number, since it is smaller than the sum of its proper divisors (402026160).

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

223520112 is a wasteful number, since it uses less digits than its factorization.

223520112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552237 (or 1552228 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 223520112 is about 14950.5890184969. The cubic root of 223520112 is about 606.8837870896.

Adding to 223520112 its reverse (211025322), we get a palindrome (434545434).

The spelling of 223520112 in words is "two hundred twenty-three million, five hundred twenty thousand, one hundred twelve".