222211220212 has 12 divisors (see below), whose sum is σ = 395460646560. Its totient is φ = 109222464056.

The previous prime is 222211220197. The next prime is 222211220213. The reversal of 222211220212 is 212022112222.

222211220212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222211220212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211220213) 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, 470786248 + ... + 470786719.

It is an arithmetic number, because the mean of its divisors is an integer number (32955053880).

Almost surely, 2^222211220212 is an apocalyptic number.

It is an amenable number.

222211220212 is a deficient number, since it is larger than the sum of its proper divisors (173249426348).

222211220212 is a wasteful number, since it uses less digits than its factorization.

222211220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941573030 (or 941573028 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222211220212 its reverse (212022112222), we get a palindrome (434233332434).

The spelling of 222211220212 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred twenty thousand, two hundred twelve".