66000022 has 16 divisors (see below), whose sum is σ = 108157392. Its totient is φ = 29956320.

The previous prime is 66000013. The next prime is 66000029. The reversal of 66000022 is 22000066.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66000029) 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, 17008 + ... + 20524.

It is an arithmetic number, because the mean of its divisors is an integer number (6759837).

Almost surely, 2^66000022 is an apocalyptic number.

66000022 is a deficient number, since it is larger than the sum of its proper divisors (42157370).

66000022 is a wasteful number, since it uses less digits than its factorization.

66000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 66000022 is about 8124.0397586422. The cubic root of 66000022 is about 404.1240469649.

Adding to 66000022 its reverse (22000066), we get a palindrome (88000088).

The spelling of 66000022 in words is "sixty-six million, twenty-two", and thus it is an aban number and an uban number.