22220012002 has 8 divisors (see below), whose sum is σ = 33352436736. Its totient is φ = 11102533092.

The previous prime is 22220011991. The next prime is 22220012021. The reversal of 22220012002 is 20021002222.

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

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, 3732738 + ... + 3738685.

It is an arithmetic number, because the mean of its divisors is an integer number (4169054592).

Almost surely, 2^22220012002 is an apocalyptic number.

22220012002 is a deficient number, since it is larger than the sum of its proper divisors (11132424734).

22220012002 is a wasteful number, since it uses less digits than its factorization.

22220012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7472912.

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

Adding to 22220012002 its reverse (20021002222), we get a palindrome (42241014224).

The spelling of 22220012002 in words is "twenty-two billion, two hundred twenty million, twelve thousand, two".