4224246305666 has 4 divisors (see below), whose sum is σ = 6336369458502. Its totient is φ = 2112123152832.

The previous prime is 4224246305663. The next prime is 4224246305681. The reversal of 4224246305666 is 6665036424224.

4224246305666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3671113480225 + 553132825441 = 1916015^2 + 743729^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4224246305663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056061576415 + ... + 1056061576418.

Almost surely, 2^{4224246305666} is an apocalyptic number.

4224246305666 is a deficient number, since it is larger than the sum of its proper divisors (2112123152836).

4224246305666 is a wasteful number, since it uses less digits than its factorization.

4224246305666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112123152835.

The product of its (nonzero) digits is 9953280, while the sum is 50.

The spelling of 4224246305666 in words is "four trillion, two hundred twenty-four billion, two hundred forty-six million, three hundred five thousand, six hundred sixty-six".