7166223 has 6 divisors (see below), whose sum is σ = 10351224. Its totient is φ = 4777476.

The previous prime is 7166221. The next prime is 7166227. The reversal of 7166223 is 3226617.

It is a happy number.

It is not a de Polignac number, because 7166223 - 2¹ = 7166221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7166221) 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 5 ways as a sum of consecutive naturals, for example, 398115 + ... + 398132.

It is an arithmetic number, because the mean of its divisors is an integer number (1725204).

Almost surely, 2^7166223 is an apocalyptic number.

7166223 is a deficient number, since it is larger than the sum of its proper divisors (3185001).

7166223 is a wasteful number, since it uses less digits than its factorization.

7166223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796253 (or 796250 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 7166223 is about 2676.9802016451. The cubic root of 7166223 is about 192.7954466966.

The spelling of 7166223 in words is "seven million, one hundred sixty-six thousand, two hundred twenty-three".