212330022 has 16 divisors (see below), whose sum is σ = 424874160. Its totient is φ = 70740992.

The previous prime is 212330003. The next prime is 212330033. The reversal of 212330022 is 220033212.

It is a junction number, because it is equal to n+sod(n) for n = 212329983 and 212330010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854 + ... + 21422.

It is an arithmetic number, because the mean of its divisors is an integer number (26554635).

Almost surely, 2^212330022 is an apocalyptic number.

212330022 is an abundant number, since it is smaller than the sum of its proper divisors (212544138).

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

212330022 is a wasteful number, since it uses less digits than its factorization.

212330022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17847.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212330022 is about 14571.5483734571. The cubic root of 212330022 is about 596.5824430220.

Adding to 212330022 its reverse (220033212), we get a palindrome (432363234).

The spelling of 212330022 in words is "two hundred twelve million, three hundred thirty thousand, twenty-two".