22220020002 has 8 divisors (see below), whose sum is σ = 44440040016. Its totient is φ = 7406673332.

The previous prime is 22220019989. The next prime is 22220020013. The reversal of 22220020002 is 20002002222.

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

22220020002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22220020002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851668328 + ... + 1851668339.

It is an arithmetic number, because the mean of its divisors is an integer number (5555005002).

Almost surely, 2^22220020002 is an apocalyptic number.

22220020002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22220020002 is a wasteful number, since it uses less digits than its factorization.

22220020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703336672.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22220020002 its reverse (20002002222), we get a palindrome (42222022224).

The spelling of 22220020002 in words is "twenty-two billion, two hundred twenty million, twenty thousand, two".