6642230 has 16 divisors (see below), whose sum is σ = 13664160. Its totient is φ = 2277312.

The previous prime is 6642211. The next prime is 6642281. The reversal of 6642230 is 322466.

It is a junction number, because it is equal to n+sod(n) for n = 6642196 and 6642205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47375 + ... + 47514.

It is an arithmetic number, because the mean of its divisors is an integer number (854010).

Almost surely, 2^6642230 is an apocalyptic number.

6642230 is an abundant number, since it is smaller than the sum of its proper divisors (7021930).

6642230 is a wasteful number, since it uses less digits than its factorization.

6642230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94903.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6642230 is about 2577.2524129390. The cubic root of 6642230 is about 187.9769663949.

Adding to 6642230 its reverse (322466), we get a palindrome (6964696).

The spelling of 6642230 in words is "six million, six hundred forty-two thousand, two hundred thirty".