6642322 has 8 divisors (see below), whose sum is σ = 10175616.
Its totient is φ = 3250452.
The previous prime is 6642319. The next prime is 6642329. The reversal of 6642322 is 2232466.
It is a happy number.
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 (6642329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35238 + ... + 35425.
It is an arithmetic number, because the mean of its divisors is an integer number (1271952).
Almost surely, 26642322 is an apocalyptic number.
6642322 is a deficient number, since it is larger than the sum of its proper divisors (3533294).
6642322 is a wasteful number, since it uses less digits than its factorization.
6642322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70712.
The product of its digits is 3456, while the sum is 25.
The square root of 6642322 is about 2577.2702613424.
The cubic root of 6642322 is about 187.9778342661.
Adding to 6642322 its reverse (2232466), we get a palindrome (8874788).
The spelling of 6642322 in words is "six million, six hundred forty-two thousand, three hundred twenty-two".