224123212 has 12 divisors (see below), whose sum is σ = 392371056. Its totient is φ = 112017200.

The previous prime is 224123209. The next prime is 224123227. The reversal of 224123212 is 212321422.

It is a self number, because there is not a number n which added to its sum of digits gives 224123212.

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, 1962 + ... + 21262.

It is an arithmetic number, because the mean of its divisors is an integer number (32697588).

Almost surely, 2^224123212 is an apocalyptic number.

It is an amenable number.

224123212 is a deficient number, since it is larger than the sum of its proper divisors (168247844).

224123212 is a wasteful number, since it uses less digits than its factorization.

224123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22208 (or 22206 counting only the distinct ones).

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

The square root of 224123212 is about 14970.7452052328. The cubic root of 224123212 is about 607.4291264054.

Adding to 224123212 its reverse (212321422), we get a palindrome (436444634).

The spelling of 224123212 in words is "two hundred twenty-four million, one hundred twenty-three thousand, two hundred twelve".