420224224422 has 64 divisors (see below), whose sum is σ = 849099075840. Its totient is φ = 138642403200.

The previous prime is 420224224369. The next prime is 420224224439. The reversal of 420224224422 is 224422422024.

It is a self number, because there is not a number n which added to its sum of digits gives 420224224422.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 361327213 + ... + 361328375.

It is an arithmetic number, because the mean of its divisors is an integer number (13267173060).

Almost surely, 2^420224224422 is an apocalyptic number.

420224224422 is an abundant number, since it is smaller than the sum of its proper divisors (428874851418).

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

420224224422 is a wasteful number, since it uses less digits than its factorization.

420224224422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 420224224422 its reverse (224422422024), we get a palindrome (644646646446).

The spelling of 420224224422 in words is "four hundred twenty billion, two hundred twenty-four million, two hundred twenty-four thousand, four hundred twenty-two".