2219440226 has 32 divisors (see below), whose sum is σ = 3503347200. Its totient is φ = 1053158400.

The previous prime is 2219440199. The next prime is 2219440261. The reversal of 2219440226 is 6220449122.

It is a junction number, because it is equal to n+sod(n) for n = 2219440192 and 2219440201.

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, 1697465 + ... + 1698771.

It is an arithmetic number, because the mean of its divisors is an integer number (109479600).

Almost surely, 2^2219440226 is an apocalyptic number.

2219440226 is a deficient number, since it is larger than the sum of its proper divisors (1283906974).

2219440226 is a wasteful number, since it uses less digits than its factorization.

2219440226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2219440226 is about 47110.9353123030. The cubic root of 2219440226 is about 1304.4110956386.

Adding to 2219440226 its reverse (6220449122), we get a palindrome (8439889348).

The spelling of 2219440226 in words is "two billion, two hundred nineteen million, four hundred forty thousand, two hundred twenty-six".