22220221001002 has 16 divisors (see below), whose sum is σ = 33368240741472. Its totient is φ = 11097477380880.

The previous prime is 22220221000931. The next prime is 22220221001009. The reversal of 22220221001002 is 20010012202222.

It is not an unprimeable number, because it can be changed into a prime (22220221001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12736393 + ... + 14375539.

It is an arithmetic number, because the mean of its divisors is an integer number (2085515046342).

Almost surely, 2^{22220221001002} is an apocalyptic number.

22220221001002 is a deficient number, since it is larger than the sum of its proper divisors (11148019740470).

22220221001002 is a wasteful number, since it uses less digits than its factorization.

22220221001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646853.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220221001002 its reverse (20010012202222), we get a palindrome (42230233203224).

The spelling of 22220221001002 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, one thousand, two".