22221211002 has 16 divisors (see below), whose sum is σ = 44545065600. Its totient is φ = 7389963072.

The previous prime is 22221210997. The next prime is 22221211063. The reversal of 22221211002 is 20011212222.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4274002 + ... + 4279197.

It is an arithmetic number, because the mean of its divisors is an integer number (2784066600).

Almost surely, 2^22221211002 is an apocalyptic number.

22221211002 is an abundant number, since it is smaller than the sum of its proper divisors (22323854598).

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

22221211002 is a wasteful number, since it uses less digits than its factorization.

22221211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553637.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22221211002 its reverse (20011212222), we get a palindrome (42232423224).

The spelling of 22221211002 in words is "twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, two".