22221012002 has 8 divisors (see below), whose sum is σ = 38093163456. Its totient is φ = 9523290852.

The previous prime is 22221011987. The next prime is 22221012013. The reversal of 22221012002 is 20021012222.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1587215143 = 22221012002 / (2 + 2 + 2 + 2 + 1 + 0 + 1 + 2 + 0 + 0 + 2).

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, 793607558 + ... + 793607585.

It is an arithmetic number, because the mean of its divisors is an integer number (4761645432).

Almost surely, 2^22221012002 is an apocalyptic number.

22221012002 is a deficient number, since it is larger than the sum of its proper divisors (15872151454).

22221012002 is a wasteful number, since it uses less digits than its factorization.

22221012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587215152.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22221012002 its reverse (20021012222), we get a palindrome (42242024224).

The spelling of 22221012002 in words is "twenty-two billion, two hundred twenty-one million, twelve thousand, two".