22133332212 has 24 divisors (see below), whose sum is σ = 51646847616. Its totient is φ = 7377433728.

The previous prime is 22133332201. The next prime is 22133332213. The reversal of 22133332212 is 21223333122.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133332213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480828 + ... + 524844.

It is an arithmetic number, because the mean of its divisors is an integer number (2151951984).

Almost surely, 2^22133332212 is an apocalyptic number.

It is an amenable number.

22133332212 is an abundant number, since it is smaller than the sum of its proper divisors (29513515404).

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

22133332212 is a wasteful number, since it uses less digits than its factorization.

22133332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85927 (or 85925 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 22133332212 its reverse (21223333122), we get a palindrome (43356665334).

The spelling of 22133332212 in words is "twenty-two billion, one hundred thirty-three million, three hundred thirty-two thousand, two hundred twelve".