421222314222 has 24 divisors (see below), whose sum is σ = 928116965880. Its totient is φ = 138027650640.

The previous prime is 421222314181. The next prime is 421222314229. The reversal of 421222314222 is 222413222124.

421222314222 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 2 + 231 + 422 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421222314229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198314529 + ... + 198316652.

It is an arithmetic number, because the mean of its divisors is an integer number (38671540245).

Almost surely, 2^421222314222 is an apocalyptic number.

421222314222 is an abundant number, since it is smaller than the sum of its proper divisors (506894651658).

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

421222314222 is a wasteful number, since it uses less digits than its factorization.

421222314222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396631248 (or 396631245 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 421222314222 its reverse (222413222124), we get a palindrome (643635536346).

The spelling of 421222314222 in words is "four hundred twenty-one billion, two hundred twenty-two million, three hundred fourteen thousand, two hundred twenty-two".