212433224 has 64 divisors (see below), whose sum is σ = 447120000. Its totient is φ = 94030848.

The previous prime is 212433223. The next prime is 212433227. The reversal of 212433224 is 422334212.

It is a self number, because there is not a number n which added to its sum of digits gives 212433224.

It is not an unprimeable number, because it can be changed into a prime (212433223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 591557 + ... + 591915.

It is an arithmetic number, because the mean of its divisors is an integer number (6986250).

Almost surely, 2^212433224 is an apocalyptic number.

It is an amenable number.

212433224 is an abundant number, since it is smaller than the sum of its proper divisors (234686776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212433224 is a wasteful number, since it uses less digits than its factorization.

212433224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 626 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 212433224 is about 14575.0891592470. The cubic root of 212433224 is about 596.6790827221.

Adding to 212433224 its reverse (422334212), we get a palindrome (634767436).

The spelling of 212433224 in words is "two hundred twelve million, four hundred thirty-three thousand, two hundred twenty-four".