66224246 has 16 divisors (see below), whose sum is σ = 111863808. Its totient is φ = 29130600.

The previous prime is 66224243. The next prime is 66224261. The reversal of 66224246 is 64242266.

66224246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66224243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47870 + ... + 49233.

It is an arithmetic number, because the mean of its divisors is an integer number (6991488).

Almost surely, 2^66224246 is an apocalyptic number.

66224246 is a deficient number, since it is larger than the sum of its proper divisors (45639562).

66224246 is a wasteful number, since it uses less digits than its factorization.

66224246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97147.

The product of its digits is 27648, while the sum is 32.

The square root of 66224246 is about 8137.8280886241. The cubic root of 66224246 is about 404.5811775595.

The spelling of 66224246 in words is "sixty-six million, two hundred twenty-four thousand, two hundred forty-six".