223044012 has 36 divisors (see below), whose sum is σ = 596972376. Its totient is φ = 69974400.

The previous prime is 223044011. The next prime is 223044043. The reversal of 223044012 is 210440322.

223044012 is a `hidden beast` number, since 223 + 0 + 440 + 1 + 2 = 666.

223044012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×223044012² = 99497262578112288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (223044011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181614 + ... + 182837.

It is an arithmetic number, because the mean of its divisors is an integer number (16582566).

Almost surely, 2^223044012 is an apocalyptic number.

It is an amenable number.

223044012 is an abundant number, since it is smaller than the sum of its proper divisors (373928364).

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

223044012 is a wasteful number, since it uses less digits than its factorization.

223044012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364478 (or 364473 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 223044012 is about 14934.6580811212. The cubic root of 223044012 is about 606.4525913492.

Adding to 223044012 its reverse (210440322), we get a palindrome (433484334).

The spelling of 223044012 in words is "two hundred twenty-three million, forty-four thousand, twelve".