223140212 has 12 divisors (see below), whose sum is σ = 391043520. Its totient is φ = 111413496.

The previous prime is 223140179. The next prime is 223140221. The reversal of 223140212 is 212041322.

It is a super-3 number, since 3×223140212³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35918 + ... + 41669.

It is an arithmetic number, because the mean of its divisors is an integer number (32586960).

Almost surely, 2^223140212 is an apocalyptic number.

It is an amenable number.

223140212 is a deficient number, since it is larger than the sum of its proper divisors (167903308).

223140212 is a wasteful number, since it uses less digits than its factorization.

223140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78310 (or 78308 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 223140212 is about 14937.8784303528. The cubic root of 223140212 is about 606.5397674977.

Adding to 223140212 its reverse (212041322), we get a palindrome (435181534).

The spelling of 223140212 in words is "two hundred twenty-three million, one hundred forty thousand, two hundred twelve".