6662201 has 16 divisors (see below), whose sum is σ = 8265600. Its totient is φ = 5228928.

The previous prime is 6662197. The next prime is 6662209. The reversal of 6662201 is 1022666.

It is a cyclic number.

It is not a de Polignac number, because 6662201 - 2² = 6662197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6662209) 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 15 ways as a sum of consecutive naturals, for example, 16085 + ... + 16493.

It is an arithmetic number, because the mean of its divisors is an integer number (516600).

Almost surely, 2^6662201 is an apocalyptic number.

It is an amenable number.

6662201 is a deficient number, since it is larger than the sum of its proper divisors (1603399).

6662201 is a wasteful number, since it uses less digits than its factorization.

6662201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6662201 is about 2581.1239799746. The cubic root of 6662201 is about 188.1651728573.

Adding to 6662201 its reverse (1022666), we get a palindrome (7684867).

The spelling of 6662201 in words is "six million, six hundred sixty-two thousand, two hundred one".