212331022 has 8 divisors (see below), whose sum is σ = 318641400. Its totient is φ = 106117224.

The previous prime is 212330999. The next prime is 212331089. The reversal of 212331022 is 220133212.

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 = 212330987 and 212331005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18372 + ... + 27607.

It is an arithmetic number, because the mean of its divisors is an integer number (39830175).

Almost surely, 2^212331022 is an apocalyptic number.

212331022 is a deficient number, since it is larger than the sum of its proper divisors (106310378).

212331022 is a wasteful number, since it uses less digits than its factorization.

212331022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48290.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212331022 is about 14571.5826868601. The cubic root of 212331022 is about 596.5833795853.

Adding to 212331022 its reverse (220133212), we get a palindrome (432464234).

The spelling of 212331022 in words is "two hundred twelve million, three hundred thirty-one thousand, twenty-two".