2224449666 has 24 divisors (see below), whose sum is σ = 4840696380. Its totient is φ = 738243936.

The previous prime is 2224449613. The next prime is 2224449673. The reversal of 2224449666 is 6669444222.

It can be written as a sum of positive squares in 2 ways, for example, as 2063794041 + 160655625 = 45429^2 + 12675^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265705 + ... + 273948.

Almost surely, 2^2224449666 is an apocalyptic number.

2224449666 is an abundant number, since it is smaller than the sum of its proper divisors (2616246714).

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

2224449666 is a wasteful number, since it uses less digits than its factorization.

2224449666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539890 (or 539887 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 2224449666 is about 47164.0717707876. The cubic root of 2224449666 is about 1305.3917421718.

The spelling of 2224449666 in words is "two billion, two hundred twenty-four million, four hundred forty-nine thousand, six hundred sixty-six".