6642214 has 4 divisors (see below), whose sum is σ = 9963324. Its totient is φ = 3321106.

The previous prime is 6642211. The next prime is 6642281. The reversal of 6642214 is 4122466.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×6642214³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642211) 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 as a sum of consecutive naturals, namely, 1660552 + ... + 1660555.

It is an arithmetic number, because the mean of its divisors is an integer number (2490831).

Almost surely, 2^6642214 is an apocalyptic number.

6642214 is a deficient number, since it is larger than the sum of its proper divisors (3321110).

6642214 is a wasteful number, since it uses less digits than its factorization.

6642214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321109.

The product of its digits is 2304, while the sum is 25.

The square root of 6642214 is about 2577.2493088562. The cubic root of 6642214 is about 187.9768154600.

It can be divided in two parts, 664221 and 4, that added together give a square (664225 = 815²).

The spelling of 6642214 in words is "six million, six hundred forty-two thousand, two hundred fourteen".