223111412 has 6 divisors (see below), whose sum is σ = 390444978. Its totient is φ = 111555704.

The previous prime is 223111403. The next prime is 223111423. The reversal of 223111412 is 214111322.

223111412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 203804176 + 19307236 = 14276^2 + 4394^2 .

It is a super-3 number, since 3×223111412³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27888923 + ... + 27888930.

It is an arithmetic number, because the mean of its divisors is an integer number (65074163).

Almost surely, 2^223111412 is an apocalyptic number.

It is an amenable number.

223111412 is a deficient number, since it is larger than the sum of its proper divisors (167333566).

223111412 is a wasteful number, since it uses less digits than its factorization.

223111412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55777857 (or 55777855 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 223111412 is about 14936.9144069316. The cubic root of 223111412 is about 606.5136716531.

Adding to 223111412 its reverse (214111322), we get a palindrome (437222734).

The spelling of 223111412 in words is "two hundred twenty-three million, one hundred eleven thousand, four hundred twelve".