6642242302 has 48 divisors (see below), whose sum is σ = 10600904160. Its totient is φ = 3117469376.

The previous prime is 6642242291. The next prime is 6642242303. The reversal of 6642242302 is 2032422466.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642242303) 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 in 23 ways as a sum of consecutive naturals, for example, 33716868 + ... + 33717064.

It is an arithmetic number, because the mean of its divisors is an integer number (220852170).

Almost surely, 2^6642242302 is an apocalyptic number.

6642242302 is a deficient number, since it is larger than the sum of its proper divisors (3958661858).

6642242302 is a wasteful number, since it uses less digits than its factorization.

6642242302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 6642242302 is about 81499.9527729925. The cubic root of 6642242302 is about 1879.7708244484.

Adding to 6642242302 its reverse (2032422466), we get a palindrome (8674664768).

The spelling of 6642242302 in words is "six billion, six hundred forty-two million, two hundred forty-two thousand, three hundred two".