421223133224 has 16 divisors (see below), whose sum is σ = 789924856320. Its totient is φ = 210576504880.

The previous prime is 421223133223. The next prime is 421223133257. The reversal of 421223133224 is 422331322124.

It is not an unprimeable number, because it can be changed into a prime (421223133223) 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, 4331624 + ... + 4427799.

It is an arithmetic number, because the mean of its divisors is an integer number (49370303520).

Almost surely, 2^421223133224 is an apocalyptic number.

It is an amenable number.

421223133224 is a deficient number, since it is larger than the sum of its proper divisors (368701723096).

421223133224 is a wasteful number, since it uses less digits than its factorization.

421223133224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8765440 (or 8765436 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 421223133224 its reverse (422331322124), we get a palindrome (843554455348).

The spelling of 421223133224 in words is "four hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-four".