212020222 has 8 divisors (see below), whose sum is σ = 328289472. Its totient is φ = 102590400.

The previous prime is 212020213. The next prime is 212020223. The reversal of 212020222 is 222020212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020223) 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, 1709779 + ... + 1709902.

It is an arithmetic number, because the mean of its divisors is an integer number (41036184).

Almost surely, 2^212020222 is an apocalyptic number.

212020222 is a deficient number, since it is larger than the sum of its proper divisors (116269250).

212020222 is a wasteful number, since it uses less digits than its factorization.

212020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419714.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 212020222 is about 14560.9141883331. The cubic root of 212020222 is about 596.2921540341.

Adding to 212020222 its reverse (222020212), we get a palindrome (434040434).

The spelling of 212020222 in words is "two hundred twelve million, twenty thousand, two hundred twenty-two".