6662211 has 8 divisors (see below), whose sum is σ = 8918544. Its totient is φ = 4423680.

The previous prime is 6662209. The next prime is 6662231. The reversal of 6662211 is 1122666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6662211 - 2¹ = 6662209 is a prime.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6662231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (1114818).

Almost surely, 2^6662211 is an apocalyptic number.

6662211 is a deficient number, since it is larger than the sum of its proper divisors (2256333).

6662211 is a wasteful number, since it uses less digits than its factorization.

6662211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901.

The product of its digits is 864, while the sum is 24.

The square root of 6662211 is about 2581.1259171145. The cubic root of 6662211 is about 188.1652670029.

Adding to 6662211 its product of digits (864), we get a triangular number (6663075 = T₃₆₅₀).

Adding to 6662211 its reverse (1122666), we get a palindrome (7784877).

The spelling of 6662211 in words is "six million, six hundred sixty-two thousand, two hundred eleven".