212024224 has 24 divisors (see below), whose sum is σ = 418682628. Its totient is φ = 105692160.

The previous prime is 212024209. The next prime is 212024237. The reversal of 212024224 is 422420212.

It can be written as a sum of positive squares in 2 ways, for example, as 210250000 + 1774224 = 14500^2 + 1332^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954 + ... + 20614.

Almost surely, 2^212024224 is an apocalyptic number.

It is an amenable number.

212024224 is a deficient number, since it is larger than the sum of its proper divisors (206658404).

212024224 is a wasteful number, since it uses less digits than its factorization.

212024224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008 (or 20000 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 212024224 is about 14561.0516103748. The cubic root of 212024224 is about 596.2959057929.

Adding to 212024224 its reverse (422420212), we get a palindrome (634444436).

The spelling of 212024224 in words is "two hundred twelve million, twenty-four thousand, two hundred twenty-four".