22002120020022 has 64 divisors (see below), whose sum is σ = 45943135580160. Its totient is φ = 7011248691744.

The previous prime is 22002120019967. The next prime is 22002120020029. The reversal of 22002120020022 is 22002002120022.

It is a junction number, because it is equal to n+sod(n) for n = 22002120019983 and 22002120020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002120020029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3459993679 + ... + 3460000037.

It is an arithmetic number, because the mean of its divisors is an integer number (717861493440).

Almost surely, 2^{22002120020022} is an apocalyptic number.

22002120020022 is an abundant number, since it is smaller than the sum of its proper divisors (23941015560138).

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

22002120020022 is a wasteful number, since it uses less digits than its factorization.

22002120020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16457.

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

Adding to 22002120020022 its reverse (22002002120022), we get a palindrome (44004122140044).

The spelling of 22002120020022 in words is "twenty-two trillion, two billion, one hundred twenty million, twenty thousand, twenty-two".