4243223266 has 4 divisors (see below), whose sum is σ = 6364834902. Its totient is φ = 2121611632.

The previous prime is 4243223251. The next prime is 4243223267. The reversal of 4243223266 is 6623223424.

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., 3991080625 + 252142641 = 63175^2 + 15879^2 .

It is not an unprimeable number, because it can be changed into a prime (4243223267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060805815 + ... + 1060805818.

Almost surely, 2^4243223266 is an apocalyptic number.

4243223266 is a deficient number, since it is larger than the sum of its proper divisors (2121611636).

4243223266 is a wasteful number, since it uses less digits than its factorization.

4243223266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121611635.

The product of its digits is 82944, while the sum is 34.

The square root of 4243223266 is about 65140.0281393860. The cubic root of 4243223266 is about 1618.9445019517.

The spelling of 4243223266 in words is "four billion, two hundred forty-three million, two hundred twenty-three thousand, two hundred sixty-six".