22022212002 has 96 divisors (see below), whose sum is σ = 53476827264. Its totient is φ = 6022598400.

The previous prime is 22022211989. The next prime is 22022212013. The reversal of 22022212002 is 20021222022.

It is a super-2 number, since 2×22022212002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 621627 + ... + 656097.

It is an arithmetic number, because the mean of its divisors is an integer number (557050284).

Almost surely, 2^22022212002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022212002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26738413632).

22022212002 is an abundant number, since it is smaller than the sum of its proper divisors (31454615262).

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

22022212002 is a wasteful number, since it uses less digits than its factorization.

22022212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34584 (or 34577 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22022212002 its reverse (20021222022), we get a palindrome (42043434024).

The spelling of 22022212002 in words is "twenty-two billion, twenty-two million, two hundred twelve thousand, two".