3549223 has 4 divisors (see below), whose sum is σ = 3671640. Its totient is φ = 3426808.

The previous prime is 3549197. The next prime is 3549253. The reversal of 3549223 is 3229453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3229453 = 23 ⋅140411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3549223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3549191 and 3549200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549253) 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, 61165 + ... + 61222.

It is an arithmetic number, because the mean of its divisors is an integer number (917910).

Almost surely, 2^3549223 is an apocalyptic number.

3549223 is a deficient number, since it is larger than the sum of its proper divisors (122417).

3549223 is a wasteful number, since it uses less digits than its factorization.

3549223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122416.

The product of its digits is 6480, while the sum is 28.

The square root of 3549223 is about 1883.9381624671. The cubic root of 3549223 is about 152.5378997445.

The spelling of 3549223 in words is "three million, five hundred forty-nine thousand, two hundred twenty-three".