22022211002212 has 12 divisors (see below), whose sum is σ = 38601129143920. Its totient is φ = 10993316961096.

The previous prime is 22022211002203. The next prime is 22022211002219. The reversal of 22022211002212 is 21220011222022.

It is a super-2 number, since 2×22022211002212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22022211002212.

It is not an unprimeable number, because it can be changed into a prime (22022211002219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4447132218 + ... + 4447137169.

Almost surely, 2^{22022211002212} is an apocalyptic number.

It is an amenable number.

22022211002212 is a deficient number, since it is larger than the sum of its proper divisors (16578918141708).

22022211002212 is a wasteful number, since it uses less digits than its factorization.

22022211002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894270010 (or 8894270008 counting only the distinct ones).

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

Adding to 22022211002212 its reverse (21220011222022), we get a palindrome (43242222224234).

The spelling of 22022211002212 in words is "twenty-two trillion, twenty-two billion, two hundred eleven million, two thousand, two hundred twelve".