212230332 has 36 divisors (see below), whose sum is σ = 536914560. Its totient is φ = 70684992.

The previous prime is 212230321. The next prime is 212230373. The reversal of 212230332 is 233032212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 79288 + ... + 81920.

Almost surely, 2^212230332 is an apocalyptic number.

It is an amenable number.

212230332 is an abundant number, since it is smaller than the sum of its proper divisors (324684228).

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

212230332 is a wasteful number, since it uses less digits than its factorization.

212230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882 (or 4877 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 212230332 is about 14568.1272646830. The cubic root of 212230332 is about 596.4890622661.

Adding to 212230332 its reverse (233032212), we get a palindrome (445262544).

The spelling of 212230332 in words is "two hundred twelve million, two hundred thirty thousand, three hundred thirty-two".