22001022212002 has 16 divisors (see below), whose sum is σ = 33985819463040. Its totient is φ = 10674035949168.

The previous prime is 22001022211937. The next prime is 22001022212003. The reversal of 22001022212002 is 20021222010022.

It is not an unprimeable number, because it can be changed into a prime (22001022212003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 405028852 + ... + 405083167.

It is an arithmetic number, because the mean of its divisors is an integer number (2124113716440).

Almost surely, 2^{22001022212002} is an apocalyptic number.

22001022212002 is a deficient number, since it is larger than the sum of its proper divisors (11984797251038).

22001022212002 is a wasteful number, since it uses less digits than its factorization.

22001022212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810112425.

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

Adding to 22001022212002 its reverse (20021222010022), we get a palindrome (42022244222024).

The spelling of 22001022212002 in words is "twenty-two trillion, one billion, twenty-two million, two hundred twelve thousand, two".