66226045 has 8 divisors (see below), whose sum is σ = 80214624. Its totient is φ = 52485264.

The previous prime is 66226019. The next prime is 66226049. The reversal of 66226045 is 54062266.

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 66226045 - 2²¹ = 64128893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66225998 and 66226016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66226049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61359 + ... + 62428.

It is an arithmetic number, because the mean of its divisors is an integer number (10026828).

Almost surely, 2^66226045 is an apocalyptic number.

It is an amenable number.

66226045 is a deficient number, since it is larger than the sum of its proper divisors (13988579).

66226045 is a wasteful number, since it uses less digits than its factorization.

66226045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123899.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 66226045 is about 8137.9386210514. The cubic root of 66226045 is about 404.5848410463.

The spelling of 66226045 in words is "sixty-six million, two hundred twenty-six thousand, forty-five".