66305322 has 24 divisors (see below), whose sum is σ = 144183780. Its totient is φ = 22021440.

The previous prime is 66305263. The next prime is 66305329. The reversal of 66305322 is 22350366.

66305322 is a `hidden beast` number, since 6 + 630 + 5 + 3 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66243321 + 62001 = 8139^2 + 249^2 .

It is not an unprimeable number, because it can be changed into a prime (66305329) 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 11 ways as a sum of consecutive naturals, for example, 1497 + ... + 11612.

Almost surely, 2^66305322 is an apocalyptic number.

66305322 is an abundant number, since it is smaller than the sum of its proper divisors (77878458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66305322 is a wasteful number, since it uses less digits than its factorization.

66305322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398 (or 13395 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 66305322 is about 8142.8079923329. The cubic root of 66305322 is about 404.7462150324.

Adding to 66305322 its reverse (22350366), we get a palindrome (88655688).

The spelling of 66305322 in words is "sixty-six million, three hundred five thousand, three hundred twenty-two".