212424226 has 8 divisors (see below), whose sum is σ = 364155840. Its totient is φ = 91038948.

The previous prime is 212424203. The next prime is 212424227. The reversal of 212424226 is 622424212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212424226.

It is not an unprimeable number, because it can be changed into a prime (212424227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7586566 + ... + 7586593.

It is an arithmetic number, because the mean of its divisors is an integer number (45519480).

Almost surely, 2^212424226 is an apocalyptic number.

212424226 is a deficient number, since it is larger than the sum of its proper divisors (151731614).

212424226 is a wasteful number, since it uses less digits than its factorization.

212424226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173168.

The product of its digits is 3072, while the sum is 25.

The square root of 212424226 is about 14574.7804786213. The cubic root of 212424226 is about 596.6706581231.

Adding to 212424226 its reverse (622424212), we get a palindrome (834848438).

The spelling of 212424226 in words is "two hundred twelve million, four hundred twenty-four thousand, two hundred twenty-six".