22022022021000 has 256 divisors, whose sum is σ = 70492247654400. Its totient is φ = 5720821344000.

The previous prime is 22022022020953. The next prime is 22022022021007. The reversal of 22022022021000 is 12022022022.

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

It is not an unprimeable number, because it can be changed into a prime (22022022021007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48665785 + ... + 49116215.

It is an arithmetic number, because the mean of its divisors is an integer number (275360342400).

Almost surely, 2^{22022022021000} is an apocalyptic number.

22022022021000 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 22022022021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35246123827200).

22022022021000 is an abundant number, since it is smaller than the sum of its proper divisors (48470225633400).

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

22022022021000 is a wasteful number, since it uses less digits than its factorization.

22022022021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450877 (or 450863 counting only the distinct ones).

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

Adding to 22022022021000 its reverse (12022022022), we get a palindrome (22034044043022).

The spelling of 22022022021000 in words is "twenty-two trillion, twenty-two billion, twenty-two million, twenty-one thousand".