212022332 has 12 divisors (see below), whose sum is σ = 371247576. Its totient is φ = 105951600.

The previous prime is 212022323. The next prime is 212022353. The reversal of 212022332 is 233220212.

It is a self number, because there is not a number n which added to its sum of digits gives 212022332.

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 3 ways as a sum of consecutive naturals, for example, 6338 + ... + 21545.

It is an arithmetic number, because the mean of its divisors is an integer number (30937298).

Almost surely, 2^212022332 is an apocalyptic number.

It is an amenable number.

212022332 is a deficient number, since it is larger than the sum of its proper divisors (159225244).

212022332 is a wasteful number, since it uses less digits than its factorization.

212022332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29788 (or 29786 counting only the distinct ones).

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

The square root of 212022332 is about 14560.9866423948. The cubic root of 212022332 is about 596.2941321037.

Adding to 212022332 its reverse (233220212), we get a palindrome (445242544).

The spelling of 212022332 in words is "two hundred twelve million, twenty-two thousand, three hundred thirty-two".