3099223 has 4 divisors (see below), whose sum is σ = 3262360. Its totient is φ = 2936088.

The previous prime is 3099209. The next prime is 3099233. The reversal of 3099223 is 3229903.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3229903 = 263 ⋅12281.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3099223 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3099191 and 3099200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3099203) 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, 81540 + ... + 81577.

It is an arithmetic number, because the mean of its divisors is an integer number (815590).

Almost surely, 2^3099223 is an apocalyptic number.

3099223 is a deficient number, since it is larger than the sum of its proper divisors (163137).

3099223 is a wasteful number, since it uses less digits than its factorization.

3099223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163136.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3099223 is about 1760.4610191652. The cubic root of 3099223 is about 145.7977903766.

The spelling of 3099223 in words is "three million, ninety-nine thousand, two hundred twenty-three".