22243222212 has 24 divisors (see below), whose sum is σ = 54953843616. Its totient is φ = 6978265728.

The previous prime is 22243222121. The next prime is 22243222213. The reversal of 22243222212 is 21222234222.

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

It is not an unprimeable number, because it can be changed into a prime (22243222213) 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, 54517498 + ... + 54517905.

It is an arithmetic number, because the mean of its divisors is an integer number (2289743484).

Almost surely, 2^22243222212 is an apocalyptic number.

It is an amenable number.

22243222212 is an abundant number, since it is smaller than the sum of its proper divisors (32710621404).

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

22243222212 is a wasteful number, since it uses less digits than its factorization.

22243222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109035427 (or 109035425 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

Adding to 22243222212 its reverse (21222234222), we get a palindrome (43465456434).

The spelling of 22243222212 in words is "twenty-two billion, two hundred forty-three million, two hundred twenty-two thousand, two hundred twelve".