222022011212 has 12 divisors (see below), whose sum is σ = 388838095800. Its totient is φ = 110925412416.

The previous prime is 222022011193. The next prime is 222022011217. The reversal of 222022011212 is 212110220222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222022011217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21392462 + ... + 21402837.

It is an arithmetic number, because the mean of its divisors is an integer number (32403174650).

Almost surely, 2^222022011212 is an apocalyptic number.

It is an amenable number.

222022011212 is a deficient number, since it is larger than the sum of its proper divisors (166816084588).

222022011212 is a wasteful number, since it uses less digits than its factorization.

222022011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42796600 (or 42796598 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222022011212 its reverse (212110220222), we get a palindrome (434132231434).

The spelling of 222022011212 in words is "two hundred twenty-two billion, twenty-two million, eleven thousand, two hundred twelve".