22022210002 has 16 divisors (see below), whose sum is σ = 35609638680. Its totient is φ = 10154011392.

The previous prime is 22022209997. The next prime is 22022210003. The reversal of 22022210002 is 20001222022.

It can be written as a sum of positive squares in 4 ways, for example, as 10709973121 + 11312236881 = 103489^2 + 106359^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (22022210003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 393493 + ... + 445960.

Almost surely, 2^22022210002 is an apocalyptic number.

22022210002 is a deficient number, since it is larger than the sum of its proper divisors (13587428678).

22022210002 is a wasteful number, since it uses less digits than its factorization.

22022210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840477.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22022210002 its reverse (20001222022), we get a palindrome (42023432024).

The spelling of 22022210002 in words is "twenty-two billion, twenty-two million, two hundred ten thousand, two".