222211022012 has 24 divisors (see below), whose sum is σ = 467812679040. Its totient is φ = 90221016240.

The previous prime is 222211021931. The next prime is 222211022023. The reversal of 222211022012 is 210220112222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208844414 + ... + 208845477.

It is an arithmetic number, because the mean of its divisors is an integer number (19492194960).

Almost surely, 2^222211022012 is an apocalyptic number.

It is an amenable number.

222211022012 is an abundant number, since it is smaller than the sum of its proper divisors (245601657028).

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

222211022012 is a wasteful number, since it uses less digits than its factorization.

222211022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417689921 (or 417689919 counting only the distinct ones).

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

Adding to 222211022012 its reverse (210220112222), we get a palindrome (432431134234).

The spelling of 222211022012 in words is "two hundred twenty-two billion, two hundred eleven million, twenty-two thousand, twelve".