223229756412 has 192 divisors, whose sum is σ = 671326656000. Its totient is φ = 63557415936.

The previous prime is 223229756357. The next prime is 223229756417. The reversal of 223229756412 is 214657922322.

223229756412 is a `hidden beast` number, since 2 + 2 + 3 + 229 + 7 + 5 + 6 + 412 = 666.

It is a super-3 number, since 3×223229756412³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223229756417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1049764 + ... + 1244372.

It is an arithmetic number, because the mean of its divisors is an integer number (3496493000).

Almost surely, 2^223229756412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223229756412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335663328000).

223229756412 is an abundant number, since it is smaller than the sum of its proper divisors (448096899588).

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

223229756412 is a wasteful number, since it uses less digits than its factorization.

223229756412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194697 (or 194689 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 223229756412 in words is "two hundred twenty-three billion, two hundred twenty-nine million, seven hundred fifty-six thousand, four hundred twelve".