212221222014 has 16 divisors (see below), whose sum is σ = 424448948880. Its totient is φ = 70739323200.

The previous prime is 212221222009. The next prime is 212221222027. The reversal of 212221222014 is 410222122212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222114 + ... + 688314.

It is an arithmetic number, because the mean of its divisors is an integer number (26528059305).

Almost surely, 2^212221222014 is an apocalyptic number.

212221222014 is an abundant number, since it is smaller than the sum of its proper divisors (212227726866).

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

212221222014 is a wasteful number, since it uses less digits than its factorization.

212221222014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542075.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212221222014 its reverse (410222122212), we get a palindrome (622443344226).

The spelling of 212221222014 in words is "two hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, fourteen".