222202222212 has 24 divisors (see below), whose sum is σ = 518941938816. Its totient is φ = 74000252128.

The previous prime is 222202222169. The next prime is 222202222217. The reversal of 222202222212 is 212222202222.

It is not an unprimeable number, because it can be changed into a prime (222202222217) 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, 8380623 + ... + 8407094.

It is an arithmetic number, because the mean of its divisors is an integer number (21622580784).

Almost surely, 2^222202222212 is an apocalyptic number.

It is an amenable number.

222202222212 is an abundant number, since it is smaller than the sum of its proper divisors (296739716604).

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

222202222212 is a wasteful number, since it uses less digits than its factorization.

222202222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788827 (or 16788825 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222202222212 its reverse (212222202222), we get a palindrome (434424424434).

The spelling of 222202222212 in words is "two hundred twenty-two billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".