2175224 has 8 divisors (see below), whose sum is σ = 4078560. Its totient is φ = 1087608.

The previous prime is 2175223. The next prime is 2175233. The reversal of 2175224 is 4225712.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2175224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135944 + ... + 135959.

It is an arithmetic number, because the mean of its divisors is an integer number (509820).

2^2175224 is an apocalyptic number.

It is an amenable number.

2175224 is a deficient number, since it is larger than the sum of its proper divisors (1903336).

2175224 is a wasteful number, since it uses less digits than its factorization.

2175224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271909 (or 271905 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 2175224 is about 1474.8640615325. The cubic root of 2175224 is about 129.5690661831.

The spelling of 2175224 in words is "two million, one hundred seventy-five thousand, two hundred twenty-four".