22000222200 has 384 divisors, whose sum is σ = 79754181120. Its totient is φ = 4962355200.

The previous prime is 22000222187. The next prime is 22000222213. The reversal of 22000222200 is 222200022.

It is an interprime number because it is at equal distance from previous prime (22000222187) and next prime (22000222213).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5614642 + ... + 5618558.

It is an arithmetic number, because the mean of its divisors is an integer number (207693180).

Almost surely, 2^22000222200 is an apocalyptic number.

22000222200 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 22000222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39877090560).

22000222200 is an abundant number, since it is smaller than the sum of its proper divisors (57753958920).

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

22000222200 is a wasteful number, since it uses less digits than its factorization.

22000222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22000222200 its reverse (222200022), we get a palindrome (22222422222).

The spelling of 22000222200 in words is "twenty-two billion, two hundred twenty-two thousand, two hundred".