3550223 has 4 divisors (see below), whose sum is σ = 3574200. Its totient is φ = 3526248.

The previous prime is 3550219. The next prime is 3550249. The reversal of 3550223 is 3220553.

3550223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220553 = 7 ⋅460079.

It is a cyclic number.

It is not a de Polignac number, because 3550223 - 2² = 3550219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3550195 and 3550204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3553223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11765 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (893550).

Almost surely, 2^3550223 is an apocalyptic number.

3550223 is a deficient number, since it is larger than the sum of its proper divisors (23977).

3550223 is a wasteful number, since it uses less digits than its factorization.

3550223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23976.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3550223 is about 1884.2035452679. The cubic root of 3550223 is about 152.5522243423.

Adding to 3550223 its reverse (3220553), we get a palindrome (6770776).

It can be divided in two parts, 3550 and 223, that added together give a palindrome (3773).

The spelling of 3550223 in words is "three million, five hundred fifty thousand, two hundred twenty-three".