22421334212 has 12 divisors (see below), whose sum is σ = 39350413200. Its totient is φ = 11178359016.

The previous prime is 22421334149. The next prime is 22421334217. The reversal of 22421334212 is 21243312422.

It is not an unprimeable number, because it can be changed into a prime (22421334217) 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, 8075462 + ... + 8078237.

It is an arithmetic number, because the mean of its divisors is an integer number (3279201100).

Almost surely, 2^22421334212 is an apocalyptic number.

It is an amenable number.

22421334212 is a deficient number, since it is larger than the sum of its proper divisors (16929078988).

22421334212 is a wasteful number, since it uses less digits than its factorization.

22421334212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154050 (or 16154048 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 22421334212 its reverse (21243312422), we get a palindrome (43664646634).

The spelling of 22421334212 in words is "twenty-two billion, four hundred twenty-one million, three hundred thirty-four thousand, two hundred twelve".