2022021002220 has 96 divisors (see below), whose sum is σ = 5801461686720. Its totient is φ = 525898813440.

The previous prime is 2022021002189. The next prime is 2022021002269. The reversal of 2022021002220 is 222001202202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2022021002220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8325466 + ... + 8564894.

It is an arithmetic number, because the mean of its divisors is an integer number (60431892570).

Almost surely, 2^{2022021002220} is an apocalyptic number.

2022021002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022021002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2900730843360).

2022021002220 is an abundant number, since it is smaller than the sum of its proper divisors (3779440684500).

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

2022021002220 is a wasteful number, since it uses less digits than its factorization.

2022021002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242915 (or 242913 counting only the distinct ones).

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

Adding to 2022021002220 its reverse (222001202202), we get a palindrome (2244022204422).

The spelling of 2022021002220 in words is "two trillion, twenty-two billion, twenty-one million, two thousand, two hundred twenty".