421322400222 has 32 divisors (see below), whose sum is σ = 862333274880. Its totient is φ = 137160085440.

The previous prime is 421322400193. The next prime is 421322400253. The reversal of 421322400222 is 222004223124.

It is a junction number, because it is equal to n+sod(n) for n = 421322400192 and 421322400201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479447 + ... + 2643917.

It is an arithmetic number, because the mean of its divisors is an integer number (26947914840).

Almost surely, 2^421322400222 is an apocalyptic number.

421322400222 is an abundant number, since it is smaller than the sum of its proper divisors (441010874658).

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

421322400222 is a wasteful number, since it uses less digits than its factorization.

421322400222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174448.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 421322400222 its reverse (222004223124), we get a palindrome (643326623346).

The spelling of 421322400222 in words is "four hundred twenty-one billion, three hundred twenty-two million, four hundred thousand, two hundred twenty-two".