22240020002 has 8 divisors (see below), whose sum is σ = 33379065516. Its totient is φ = 11113664832.

The previous prime is 22240019959. The next prime is 22240020043. The reversal of 22240020002 is 20002004222.

It can be written as a sum of positive squares in 2 ways, for example, as 14952153841 + 7287866161 = 122279^2 + 85369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3168203 + ... + 3175214.

Almost surely, 2^22240020002 is an apocalyptic number.

22240020002 is a deficient number, since it is larger than the sum of its proper divisors (11139045514).

22240020002 is a wasteful number, since it uses less digits than its factorization.

22240020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345172.

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

Adding to 22240020002 its reverse (20002004222), we get a palindrome (42242024224).

The spelling of 22240020002 in words is "twenty-two billion, two hundred forty million, twenty thousand, two".