66226133 has 8 divisors (see below), whose sum is σ = 67230240. Its totient is φ = 65229840.

The previous prime is 66226129. The next prime is 66226151. The reversal of 66226133 is 33162266.

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 66226133 - 2² = 66226129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66226096 and 66226105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66226103) 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, 16391 + ... + 20027.

It is an arithmetic number, because the mean of its divisors is an integer number (8403780).

Almost surely, 2^66226133 is an apocalyptic number.

It is an amenable number.

66226133 is a deficient number, since it is larger than the sum of its proper divisors (1004107).

66226133 is a wasteful number, since it uses less digits than its factorization.

66226133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907.

The product of its digits is 7776, while the sum is 29.

The square root of 66226133 is about 8137.9440278242. The cubic root of 66226133 is about 404.5850202479.

Adding to 66226133 its reverse (33162266), we get a palindrome (99388399).

The spelling of 66226133 in words is "sixty-six million, two hundred twenty-six thousand, one hundred thirty-three".