66224101 has 8 divisors (see below), whose sum is σ = 70853600. Its totient is φ = 61709040.

The previous prime is 66224089. The next prime is 66224141. The reversal of 66224101 is 10142266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66224101 - 2¹¹ = 66222053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66224141) 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 in 7 ways as a sum of consecutive naturals, for example, 27411 + ... + 29728.

It is an arithmetic number, because the mean of its divisors is an integer number (8856700).

Almost surely, 2^66224101 is an apocalyptic number.

66224101 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

66224101 is a deficient number, since it is larger than the sum of its proper divisors (4629499).

66224101 is a wasteful number, since it uses less digits than its factorization.

66224101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57219.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 66224101 is about 8137.8191796083. The cubic root of 66224101 is about 404.5808822784.

Adding to 66224101 its reverse (10142266), we get a palindrome (76366367).

The spelling of 66224101 in words is "sixty-six million, two hundred twenty-four thousand, one hundred one".