22001320221002 has 48 divisors (see below), whose sum is σ = 35086441308480. Its totient is φ = 10318322851200.

The previous prime is 22001320220969. The next prime is 22001320221007. The reversal of 22001320221002 is 20012202310022.

It is not an unprimeable number, because it can be changed into a prime (22001320221007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263160227 + ... + 263243817.

It is an arithmetic number, because the mean of its divisors is an integer number (730967527260).

Almost surely, 2^{22001320221002} is an apocalyptic number.

22001320221002 is a deficient number, since it is larger than the sum of its proper divisors (13085121087478).

22001320221002 is a wasteful number, since it uses less digits than its factorization.

22001320221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84207 (or 84050 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22001320221002 its reverse (20012202310022), we get a palindrome (42013522531024).

The spelling of 22001320221002 in words is "twenty-two trillion, one billion, three hundred twenty million, two hundred twenty-one thousand, two".