2222026400 has 144 divisors (see below), whose sum is σ = 6122420640. Its totient is φ = 780057600.

The previous prime is 2222026337. The next prime is 2222026403. The reversal of 2222026400 is 46202222.

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

It is not an unprimeable number, because it can be changed into a prime (2222026403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250847 + ... + 259553.

It is an arithmetic number, because the mean of its divisors is an integer number (42516810).

Almost surely, 2^2222026400 is an apocalyptic number.

2222026400 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 2222026400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061210320).

2222026400 is an abundant number, since it is smaller than the sum of its proper divisors (3900394240).

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

2222026400 is a wasteful number, since it uses less digits than its factorization.

2222026400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2222026400 is about 47138.3750250261. The cubic root of 2222026400 is about 1304.9175483596.

Adding to 2222026400 its reverse (46202222), we get a palindrome (2268228622).

The spelling of 2222026400 in words is "two billion, two hundred twenty-two million, twenty-six thousand, four hundred".