2022012220 has 48 divisors (see below), whose sum is σ = 4352771808. Its totient is φ = 788578560.

The previous prime is 2022012199. The next prime is 2022012227. The reversal of 2022012220 is 222102202.

It is a self number, because there is not a number n which added to its sum of digits gives 2022012220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022012227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566682 + ... + 570238.

It is an arithmetic number, because the mean of its divisors is an integer number (90682746).

Almost surely, 2^2022012220 is an apocalyptic number.

2022012220 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 2022012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176385904).

2022012220 is an abundant number, since it is smaller than the sum of its proper divisors (2330759588).

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

2022012220 is a wasteful number, since it uses less digits than its factorization.

2022012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2022012220 is about 44966.7901900947. The cubic root of 2022012220 is about 1264.5264716226.

Adding to 2022012220 its reverse (222102202), we get a palindrome (2244114422).

The spelling of 2022012220 in words is "two billion, twenty-two million, twelve thousand, two hundred twenty".