421223133222 has 64 divisors (see below), whose sum is σ = 1017900181440. Its totient is φ = 128576844288.

The previous prime is 421223133209. The next prime is 421223133223. The reversal of 421223133222 is 222331322124.

421223133222 is a `hidden beast` number, since 4 + 2 + 1 + 22 + 313 + 322 + 2 = 666.

It is a super-2 number, since 2×421223133222² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421223133223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6166693 + ... + 6234624.

It is an arithmetic number, because the mean of its divisors is an integer number (15904690335).

Almost surely, 2^421223133222 is an apocalyptic number.

421223133222 is an abundant number, since it is smaller than the sum of its proper divisors (596677048218).

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

421223133222 is a wasteful number, since it uses less digits than its factorization.

421223133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401382 (or 12401376 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 421223133222 its reverse (222331322124), we get a palindrome (643554455346).

The spelling of 421223133222 in words is "four hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-two".