449224 has 16 divisors (see below), whose sum is σ = 849420. Its totient is φ = 222720.

The previous prime is 449209. The next prime is 449227. The reversal of 449224 is 422944.

It can be written as a sum of positive squares in 2 ways, for example, as 448900 + 324 = 670^2 + 18^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449227) by changing a digit.

449224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744 + ... + 1984.

2⁴⁴⁹²²⁴ is an apocalyptic number.

It is an amenable number.

449224 is a deficient number, since it is larger than the sum of its proper divisors (400196).

449224 is a wasteful number, since it uses less digits than its factorization.

449224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 449224 is about 670.2417474315. The cubic root of 449224 is about 76.5868692938.

It can be divided in two parts, 449 and 224, that multiplied together give a triangular number (100576 = T₄₄₈).

The spelling of 449224 in words is "four hundred forty-nine thousand, two hundred twenty-four".