421222424004 has 72 divisors (see below), whose sum is σ = 1068359160960. Its totient is φ = 139933179072.

The previous prime is 421222423967. The next prime is 421222424039. The reversal of 421222424004 is 400424222124.

421222424004 is a `hidden beast` number, since 4 + 2 + 12 + 2 + 242 + 400 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13922037 + ... + 13952259.

It is an arithmetic number, because the mean of its divisors is an integer number (14838321680).

Almost surely, 2^421222424004 is an apocalyptic number.

It is an amenable number.

421222424004 is an abundant number, since it is smaller than the sum of its proper divisors (647136736956).

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

421222424004 is a wasteful number, since it uses less digits than its factorization.

421222424004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31529 (or 31524 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 421222424004 its reverse (400424222124), we get a palindrome (821646646128).

The spelling of 421222424004 in words is "four hundred twenty-one billion, two hundred twenty-two million, four hundred twenty-four thousand, four".