6662207 has 4 divisors (see below), whose sum is σ = 6684216. Its totient is φ = 6640200.

The previous prime is 6662197. The next prime is 6662209. The reversal of 6662207 is 7022666.

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

It is a cyclic number.

It is not a de Polignac number, because 6662207 - 2⁴ = 6662191 is a prime.

It is a super-2 number, since 2×6662207² = 88770004221698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6662207.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10544 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (1671054).

Almost surely, 2^6662207 is an apocalyptic number.

6662207 is a deficient number, since it is larger than the sum of its proper divisors (22009).

6662207 is a wasteful number, since it uses less digits than its factorization.

6662207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22008.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 6662207 is about 2581.1251422587. The cubic root of 6662207 is about 188.1652293447.

The spelling of 6662207 in words is "six million, six hundred sixty-two thousand, two hundred seven".