66333227 has 4 divisors (see below), whose sum is σ = 66390576. Its totient is φ = 66275880.

The previous prime is 66333221. The next prime is 66333233. The reversal of 66333227 is 72233366.

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

It is an interprime number because it is at equal distance from previous prime (66333221) and next prime (66333233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66333227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66333193 and 66333202.

It is not an unprimeable number, because it can be changed into a prime (66333221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26903 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (16597644).

Almost surely, 2^66333227 is an apocalyptic number.

66333227 is a deficient number, since it is larger than the sum of its proper divisors (57349).

66333227 is a wasteful number, since it uses less digits than its factorization.

66333227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57348.

The product of its digits is 27216, while the sum is 32.

The square root of 66333227 is about 8144.5212873440. The cubic root of 66333227 is about 404.8029870416.

The spelling of 66333227 in words is "sixty-six million, three hundred thirty-three thousand, two hundred twenty-seven".