2001222200022 has 8 divisors (see below), whose sum is σ = 4002444400056. Its totient is φ = 667074066672.

The previous prime is 2001222199993. The next prime is 2001222200023. The reversal of 2001222200022 is 2200022221002.

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

2001222200022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2001222199974 and 2001222200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001222200023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166768516663 + ... + 166768516674.

It is an arithmetic number, because the mean of its divisors is an integer number (500305550007).

Almost surely, 2^{2001222200022} is an apocalyptic number.

2001222200022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001222200022 is a wasteful number, since it uses less digits than its factorization.

2001222200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333537033342.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2001222200022 its reverse (2200022221002), we get a palindrome (4201244421024).

The spelling of 2001222200022 in words is "two trillion, one billion, two hundred twenty-two million, two hundred thousand, twenty-two".