2022220204400 has 120 divisors (see below), whose sum is σ = 5300834869200. Its totient is φ = 735244646400.

The previous prime is 2022220204393. The next prime is 2022220204439. The reversal of 2022220204400 is 44020222202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 33713636 + ... + 33773564.

It is an arithmetic number, because the mean of its divisors is an integer number (44173623910).

Almost surely, 2^{2022220204400} is an apocalyptic number.

2022220204400 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 2022220204400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2650417434600).

2022220204400 is an abundant number, since it is smaller than the sum of its proper divisors (3278614664800).

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

2022220204400 is a wasteful number, since it uses less digits than its factorization.

2022220204400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67627 (or 67616 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2022220204400 its reverse (44020222202), we get a palindrome (2066240426602).

The spelling of 2022220204400 in words is "two trillion, twenty-two billion, two hundred twenty million, two hundred four thousand, four hundred".