66227041 has 8 divisors (see below), whose sum is σ = 67211144. Its totient is φ = 65249280.

The previous prime is 66227017. The next prime is 66227047. The reversal of 66227041 is 14072266.

It can be written as a sum of positive squares in 4 ways, for example, as 12278016 + 53949025 = 3504^2 + 7345^2 .

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 66227041 - 2⁹ = 66226529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66227047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21961 + ... + 24793.

It is an arithmetic number, because the mean of its divisors is an integer number (8401393).

Almost surely, 2^66227041 is an apocalyptic number.

It is an amenable number.

66227041 is a deficient number, since it is larger than the sum of its proper divisors (984103).

66227041 is a wasteful number, since it uses less digits than its factorization.

66227041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 66227041 is about 8137.9998156795. Note that the first 3 decimals coincide. The cubic root of 66227041 is about 404.5868692739.

The spelling of 66227041 in words is "sixty-six million, two hundred twenty-seven thousand, forty-one".