22021020222200 has 96 divisors (see below), whose sum is σ = 52470968674320. Its totient is φ = 8589744000000.

The previous prime is 22021020222197. The next prime is 22021020222203. The reversal of 22021020222200 is 222202012022.

It is an interprime number because it is at equal distance from previous prime (22021020222197) and next prime (22021020222203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021020222203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17861690 + ... + 19054710.

Almost surely, 2^{22021020222200} is an apocalyptic number.

22021020222200 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 22021020222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26235484337160).

22021020222200 is an abundant number, since it is smaller than the sum of its proper divisors (30449948452120).

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

22021020222200 is a wasteful number, since it uses less digits than its factorization.

22021020222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195329 (or 1195320 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22021020222200 its reverse (222202012022), we get a palindrome (22243222234222).

The spelling of 22021020222200 in words is "twenty-two trillion, twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred".