212322230 has 8 divisors (see below), whose sum is σ = 382180032. Its totient is φ = 84928888.

The previous prime is 212322211. The next prime is 212322239. The reversal of 212322230 is 32223212.

212322230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 212322199 and 212322208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10616102 + ... + 10616121.

It is an arithmetic number, because the mean of its divisors is an integer number (47772504).

Almost surely, 2^212322230 is an apocalyptic number.

212322230 is a deficient number, since it is larger than the sum of its proper divisors (169857802).

212322230 is a wasteful number, since it uses less digits than its factorization.

212322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21232230.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212322230 is about 14571.2810006533. The cubic root of 212322230 is about 596.5751452202.

Adding to 212322230 its reverse (32223212), we get a palindrome (244545442).

The spelling of 212322230 in words is "two hundred twelve million, three hundred twenty-two thousand, two hundred thirty".