90224 has 10 divisors (see below), whose sum is σ = 174840. Its totient is φ = 45104.

The previous prime is 90217. The next prime is 90227. The reversal of 90224 is 42209.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2804 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (17484).

2⁹⁰²²⁴ is an apocalyptic number.

It is an amenable number.

90224 is a deficient number, since it is larger than the sum of its proper divisors (84616).

90224 is a wasteful number, since it uses less digits than its factorization.

90224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 90224 is about 300.3731013257. The cubic root of 90224 is about 44.8511957249.

The spelling of 90224 in words is "ninety thousand, two hundred twenty-four".