2222443776 has 144 divisors (see below), whose sum is σ = 6943255424. Its totient is φ = 617766912.

The previous prime is 2222443771. The next prime is 2222443781. The reversal of 2222443776 is 6773442222.

It is an interprime number because it is at equal distance from previous prime (2222443771) and next prime (2222443781).

It is a super-2 number, since 2×2222443776² = 9878512674962276352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222443771) 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 15 ways as a sum of consecutive naturals, for example, 193326 + ... + 204498.

Almost surely, 2^2222443776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222443776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3471627712).

2222443776 is an abundant number, since it is smaller than the sum of its proper divisors (4720811648).

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

2222443776 is a wasteful number, since it uses less digits than its factorization.

2222443776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236 (or 11222 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 2222443776 is about 47142.8019532144. The cubic root of 2222443776 is about 1304.9992466342. Note that the first 3 decimals are identical.

Adding to 2222443776 its reverse (6773442222), we get a palindrome (8995885998).

The spelling of 2222443776 in words is "two billion, two hundred twenty-two million, four hundred forty-three thousand, seven hundred seventy-six".