421022304224 has 24 divisors (see below), whose sum is σ = 839379915360. Its totient is φ = 207846452736.

The previous prime is 421022304221. The next prime is 421022304341. The reversal of 421022304224 is 422403220124.

It is a junction number, because it is equal to n+sod(n) for n = 421022304193 and 421022304202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421022304221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83269289 + ... + 83274344.

It is an arithmetic number, because the mean of its divisors is an integer number (34974163140).

Almost surely, 2^421022304224 is an apocalyptic number.

It is an amenable number.

421022304224 is a deficient number, since it is larger than the sum of its proper divisors (418357611136).

421022304224 is a wasteful number, since it uses less digits than its factorization.

421022304224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166543722 (or 166543714 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 421022304224 its reverse (422403220124), we get a palindrome (843425524348).

The spelling of 421022304224 in words is "four hundred twenty-one billion, twenty-two million, three hundred four thousand, two hundred twenty-four".