421318043222 has 16 divisors (see below), whose sum is σ = 639241074720. Its totient is φ = 208238893632.

The previous prime is 421318043213. The next prime is 421318043269. The reversal of 421318043222 is 222340813124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401708 + ... + 1002000.

It is an arithmetic number, because the mean of its divisors is an integer number (39952567170).

Almost surely, 2^421318043222 is an apocalyptic number.

421318043222 is a deficient number, since it is larger than the sum of its proper divisors (217923031498).

421318043222 is a wasteful number, since it uses less digits than its factorization.

421318043222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604327.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 421318043222 its reverse (222340813124), we get a palindrome (643658856346).

The spelling of 421318043222 in words is "four hundred twenty-one billion, three hundred eighteen million, forty-three thousand, two hundred twenty-two".