22220220002 has 16 divisors (see below), whose sum is σ = 34368364800. Its totient is φ = 10769149872.

The previous prime is 22220219963. The next prime is 22220220037. The reversal of 22220220002 is 20002202222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254002 + ... + 1271597.

It is an arithmetic number, because the mean of its divisors is an integer number (2148022800).

Almost surely, 2^22220220002 is an apocalyptic number.

22220220002 is a deficient number, since it is larger than the sum of its proper divisors (12148144798).

22220220002 is a wasteful number, since it uses less digits than its factorization.

22220220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525737.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22220220002 its reverse (20002202222), we get a palindrome (42222422224).

The spelling of 22220220002 in words is "twenty-two billion, two hundred twenty million, two hundred twenty thousand, two".