2222404000 has 96 divisors (see below), whose sum is σ = 5515512912. Its totient is φ = 880000000.

The previous prime is 2222403983. The next prime is 2222404031. The reversal of 2222404000 is 4042222.

It can be written as a sum of positive squares in 8 ways, for example, as 1139467536 + 1082936464 = 33756^2 + 32908^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 401250 + ... + 406750.

Almost surely, 2^2222404000 is an apocalyptic number.

2222404000 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 2222404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757756456).

2222404000 is an abundant number, since it is smaller than the sum of its proper divisors (3293108912).

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

2222404000 is a wasteful number, since it uses less digits than its factorization.

2222404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627 (or 5609 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2222404000 is about 47142.3800841663. The cubic root of 2222404000 is about 1304.9914612165.

Adding to 2222404000 its reverse (4042222), we get a palindrome (2226446222).

The spelling of 2222404000 in words is "two billion, two hundred twenty-two million, four hundred four thousand".