2206210812 has 24 divisors (see below), whose sum is σ = 5543812176. Its totient is φ = 678834048.

The previous prime is 2206210793. The next prime is 2206210813. The reversal of 2206210812 is 2180126022.

It is a super-2 number, since 2×2206210812² = 9734732293971398688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206210813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7071033 + ... + 7071344.

It is an arithmetic number, because the mean of its divisors is an integer number (230992174).

Almost surely, 2^2206210812 is an apocalyptic number.

It is an amenable number.

2206210812 is an abundant number, since it is smaller than the sum of its proper divisors (3337601364).

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

2206210812 is a wasteful number, since it uses less digits than its factorization.

2206210812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14142397 (or 14142395 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2206210812 is about 46970.3184149309. The cubic root of 2206210812 is about 1301.8141952548.

Adding to 2206210812 its reverse (2180126022), we get a palindrome (4386336834).

It can be divided in two parts, 2206210 and 812, that added together give a palindrome (2207022).

The spelling of 2206210812 in words is "two billion, two hundred six million, two hundred ten thousand, eight hundred twelve".