6642232 has 8 divisors (see below), whose sum is σ = 12454200. Its totient is φ = 3321112.

The previous prime is 6642211. The next prime is 6642281. The reversal of 6642232 is 2322466.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6642197 and 6642206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 415132 + ... + 415147.

It is an arithmetic number, because the mean of its divisors is an integer number (1556775).

Almost surely, 2^6642232 is an apocalyptic number.

It is an amenable number.

6642232 is a deficient number, since it is larger than the sum of its proper divisors (5811968).

6642232 is a wasteful number, since it uses less digits than its factorization.

6642232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830285 (or 830281 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 6642232 is about 2577.2528009491. The cubic root of 6642232 is about 187.9769852617.

Adding to 6642232 its reverse (2322466), we get a palindrome (8964698).

It can be divided in two parts, 664223 and 2, that added together give a square (664225 = 815²).

The spelling of 6642232 in words is "six million, six hundred forty-two thousand, two hundred thirty-two".