66224195 has 8 divisors (see below), whose sum is σ = 79512720. Its totient is φ = 52950240.

The previous prime is 66224183. The next prime is 66224201. The reversal of 66224195 is 59142266.

It is a happy number.

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

It is not a de Polignac number, because 66224195 - 2¹⁴ = 66207811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16001 + ... + 19709.

It is an arithmetic number, because the mean of its divisors is an integer number (9939090).

Almost surely, 2^66224195 is an apocalyptic number.

66224195 is a deficient number, since it is larger than the sum of its proper divisors (13288525).

66224195 is a wasteful number, since it uses less digits than its factorization.

66224195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285.

The product of its digits is 25920, while the sum is 35.

The square root of 66224195 is about 8137.8249551093. The cubic root of 66224195 is about 404.5810737021.

The spelling of 66224195 in words is "sixty-six million, two hundred twenty-four thousand, one hundred ninety-five".