3500223 has 4 divisors (see below), whose sum is σ = 4666968. Its totient is φ = 2333480.

The previous prime is 3500207. The next prime is 3500227. The reversal of 3500223 is 3220053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220053 = 3 ⋅1073351.

It is a cyclic number.

It is not a de Polignac number, because 3500223 - 2⁴ = 3500207 is a prime.

It is a super-2 number, since 2×3500223² = 24503122099458, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583368 + ... + 583373.

It is an arithmetic number, because the mean of its divisors is an integer number (1166742).

Almost surely, 2^3500223 is an apocalyptic number.

3500223 is a deficient number, since it is larger than the sum of its proper divisors (1166745).

3500223 is a wasteful number, since it uses less digits than its factorization.

3500223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166744.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 3500223 is about 1870.8882916946. Note that the first 3 decimals coincide. The cubic root of 3500223 is about 151.8326730936.

Adding to 3500223 its reverse (3220053), we get a palindrome (6720276).

The spelling of 3500223 in words is "three million, five hundred thousand, two hundred twenty-three".