905224 has 8 divisors (see below), whose sum is σ = 1697310. Its totient is φ = 452608.

The previous prime is 905213. The next prime is 905227. The reversal of 905224 is 422509.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 842724 + 62500 = 918^2 + 250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 905195 and 905204.

It is not an unprimeable number, because it can be changed into a prime (905227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56569 + ... + 56584.

2⁹⁰⁵²²⁴ is an apocalyptic number.

It is an amenable number.

905224 is a deficient number, since it is larger than the sum of its proper divisors (792086).

905224 is a wasteful number, since it uses less digits than its factorization.

905224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113159 (or 113155 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 905224 is about 951.4326040241. The cubic root of 905224 is about 96.7353825063.

The spelling of 905224 in words is "nine hundred five thousand, two hundred twenty-four".