212232424 has 16 divisors (see below), whose sum is σ = 400161600. Its totient is φ = 105522672.

The previous prime is 212232379. The next prime is 212232439. The reversal of 212232424 is 424232212.

It is a junction number, because it is equal to n+sod(n) for n = 212232395 and 212232404.

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, 72672 + ... + 75535.

It is an arithmetic number, because the mean of its divisors is an integer number (25010100).

Almost surely, 2^212232424 is an apocalyptic number.

It is an amenable number.

212232424 is a deficient number, since it is larger than the sum of its proper divisors (187929176).

212232424 is a wasteful number, since it uses less digits than its factorization.

212232424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148392 (or 148388 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 212232424 is about 14568.1990650869. The cubic root of 212232424 is about 596.4910221667.

Adding to 212232424 its reverse (424232212), we get a palindrome (636464636).

The spelling of 212232424 in words is "two hundred twelve million, two hundred thirty-two thousand, four hundred twenty-four".