4066568223 has 4 divisors (see below), whose sum is σ = 5422090968. Its totient is φ = 2711045480.

The previous prime is 4066568221. The next prime is 4066568243. The reversal of 4066568223 is 3228656604.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4066568223 - 2¹ = 4066568221 is a prime.

It is a super-2 number, since 2×4066568223² = 33073954224626755458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066568221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677761368 + ... + 677761373.

It is an arithmetic number, because the mean of its divisors is an integer number (1355522742).

Almost surely, 2^4066568223 is an apocalyptic number.

4066568223 is a deficient number, since it is larger than the sum of its proper divisors (1355522745).

4066568223 is a wasteful number, since it uses less digits than its factorization.

4066568223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355522744.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 4066568223 is about 63769.6497010921. The cubic root of 4066568223 is about 1596.1585216537.

The spelling of 4066568223 in words is "four billion, sixty-six million, five hundred sixty-eight thousand, two hundred twenty-three".