223412212 has 6 divisors (see below), whose sum is σ = 390971378. Its totient is φ = 111706104.

The previous prime is 223412209. The next prime is 223412251. The reversal of 223412212 is 212214322.

It can be written as a sum of positive squares in only one way, i.e., 179667216 + 43744996 = 13404^2 + 6614^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 223412212.

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, 27926523 + ... + 27926530.

Almost surely, 2^223412212 is an apocalyptic number.

It is an amenable number.

223412212 is a deficient number, since it is larger than the sum of its proper divisors (167559166).

223412212 is a wasteful number, since it uses less digits than its factorization.

223412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55853057 (or 55853055 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 223412212 is about 14946.9800294240. The cubic root of 223412212 is about 606.7861175784.

Adding to 223412212 its reverse (212214322), we get a palindrome (435626534).

The spelling of 223412212 in words is "two hundred twenty-three million, four hundred twelve thousand, two hundred twelve".