2212204212 has 72 divisors (see below), whose sum is σ = 5689828872. Its totient is φ = 724608000.

The previous prime is 2212204199. The next prime is 2212204217. The reversal of 2212204212 is 2124022122.

2212204212 is a `hidden beast` number, since 2 + 21 + 220 + 421 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 857669796 + 1354534416 = 29286^2 + 36804^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212204217) 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 23 ways as a sum of consecutive naturals, for example, 495912 + ... + 500352.

It is an arithmetic number, because the mean of its divisors is an integer number (79025401).

Almost surely, 2^2212204212 is an apocalyptic number.

It is an amenable number.

2212204212 is an abundant number, since it is smaller than the sum of its proper divisors (3477624660).

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

2212204212 is a wasteful number, since it uses less digits than its factorization.

2212204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2212204212 is about 47034.0750095077. The cubic root of 2212204212 is about 1302.9919670485.

Adding to 2212204212 its reverse (2124022122), we get a palindrome (4336226334).

The spelling of 2212204212 in words is "two billion, two hundred twelve million, two hundred four thousand, two hundred twelve".