66321122 has 8 divisors (see below), whose sum is σ = 113693376. Its totient is φ = 28423332.

The previous prime is 66321119. The next prime is 66321127. The reversal of 66321122 is 22112366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66321127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368598 + ... + 2368625.

It is an arithmetic number, because the mean of its divisors is an integer number (14211672).

Almost surely, 2^66321122 is an apocalyptic number.

66321122 is a deficient number, since it is larger than the sum of its proper divisors (47372254).

66321122 is a wasteful number, since it uses less digits than its factorization.

66321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737232.

The product of its digits is 864, while the sum is 23.

The square root of 66321122 is about 8143.7781158379. The cubic root of 66321122 is about 404.7783616843.

Adding to 66321122 its reverse (22112366), we get a palindrome (88433488).

The spelling of 66321122 in words is "sixty-six million, three hundred twenty-one thousand, one hundred twenty-two".