66022117 has 8 divisors (see below), whose sum is σ = 76409600. Its totient is φ = 55873584.

The previous prime is 66022109. The next prime is 66022133. The reversal of 66022117 is 71122066.

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 66022117 - 2³ = 66022109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66022091 and 66022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66022417) 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, 59142 + ... + 60247.

It is an arithmetic number, because the mean of its divisors is an integer number (9551200).

Almost surely, 2^66022117 is an apocalyptic number.

It is an amenable number.

66022117 is a deficient number, since it is larger than the sum of its proper divisors (10387483).

66022117 is a wasteful number, since it uses less digits than its factorization.

66022117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119475.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 66022117 is about 8125.3994978709. The cubic root of 66022117 is about 404.1691384882.

The spelling of 66022117 in words is "sixty-six million, twenty-two thousand, one hundred seventeen".