2022211022220 has 144 divisors (see below), whose sum is σ = 6348451479552. Its totient is φ = 520497797760.

The previous prime is 2022211022147. The next prime is 2022211022371. The reversal of 2022211022220 is 222201122202.

2022211022220 is a `hidden beast` number, since 202 + 221 + 1 + 0 + 22 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2022211022193 and 2022211022202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1664029 + ... + 2610251.

It is an arithmetic number, because the mean of its divisors is an integer number (44086468608).

Almost surely, 2^{2022211022220} is an apocalyptic number.

2022211022220 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 2022211022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3174225739776).

2022211022220 is an abundant number, since it is smaller than the sum of its proper divisors (4326240457332).

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

2022211022220 is a wasteful number, since it uses less digits than its factorization.

2022211022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946652 (or 946647 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2022211022220 its reverse (222201122202), we get a palindrome (2244412144422).

The spelling of 2022211022220 in words is "two trillion, twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred twenty".