22002001221002 has 24 divisors (see below), whose sum is σ = 36902821211136. Its totient is φ = 9756985004000.

The previous prime is 22002001220989. The next prime is 22002001221019. The reversal of 22002001221002 is 20012210020022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297432074 + ... + 297506037.

It is an arithmetic number, because the mean of its divisors is an integer number (1537617550464).

Almost surely, 2^{22002001221002} is an apocalyptic number.

22002001221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22002001221002 is a deficient number, since it is larger than the sum of its proper divisors (14900819990134).

22002001221002 is a wasteful number, since it uses less digits than its factorization.

22002001221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594938206 (or 594938165 counting only the distinct ones).

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

Adding to 22002001221002 its reverse (20012210020022), we get a palindrome (42014211241024).

The spelling of 22002001221002 in words is "twenty-two trillion, two billion, one million, two hundred twenty-one thousand, two".