2222444450 has 54 divisors (see below), whose sum is σ = 4242539379. Its totient is φ = 866176640.

The previous prime is 2222444447. The next prime is 2222444473. The reversal of 2222444450 is 544442222.

It can be written as a sum of positive squares in 5 ways, for example, as 170569 + 2222273881 = 413^2 + 47141^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33335.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19667594 + ... + 19667706.

Almost surely, 2^2222444450 is an apocalyptic number.

2222444450 is a deficient number, since it is larger than the sum of its proper divisors (2020094929).

2222444450 is an equidigital number, since it uses as much as digits as its factorization.

2222444450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 2222444450 is about 47142.8091017071. The cubic root of 2222444450 is about 1304.9993785565. Note that the first 3 decimals are identical.

Adding to 2222444450 its reverse (544442222), we get a palindrome (2766886672).

The spelling of 2222444450 in words is "two billion, two hundred twenty-two million, four hundred forty-four thousand, four hundred fifty".