66022301 has 2 divisors, whose sum is σ = 66022302. Its totient is φ = 66022300.

The previous prime is 66022273. The next prime is 66022309. The reversal of 66022301 is 10322066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33235225 + 32787076 = 5765^2 + 5726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66022301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66022309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33011150 + 33011151.

It is an arithmetic number, because the mean of its divisors is an integer number (33011151).

Almost surely, 2^66022301 is an apocalyptic number.

It is an amenable number.

66022301 is a deficient number, since it is larger than the sum of its proper divisors (1).

66022301 is an equidigital number, since it uses as much as digits as its factorization.

66022301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 66022301 is about 8125.4108203832. The cubic root of 66022301 is about 404.1695139536.

Adding to 66022301 its reverse (10322066), we get a palindrome (76344367).

The spelling of 66022301 in words is "sixty-six million, twenty-two thousand, three hundred one".