22222234212 has 12 divisors (see below), whose sum is σ = 51851879856. Its totient is φ = 7407411400.

The previous prime is 22222234211. The next prime is 22222234213. The reversal of 22222234212 is 21243222222.

It is an interprime number because it is at equal distance from previous prime (22222234211) and next prime (22222234213).

It is a tau number, because it is divible by the number of its divisors (12).

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 (22222234211) 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, 925926414 + ... + 925926437.

It is an arithmetic number, because the mean of its divisors is an integer number (4320989988).

Almost surely, 2^22222234212 is an apocalyptic number.

It is an amenable number.

22222234212 is an abundant number, since it is smaller than the sum of its proper divisors (29629645644).

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

22222234212 is a wasteful number, since it uses less digits than its factorization.

22222234212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851852858 (or 1851852856 counting only the distinct ones).

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

Adding to 22222234212 its reverse (21243222222), we get a palindrome (43465456434).

The spelling of 22222234212 in words is "twenty-two billion, two hundred twenty-two million, two hundred thirty-four thousand, two hundred twelve".