224490289 has 3 divisors (see below), whose sum is σ = 224505273. Its totient is φ = 224475306.

The previous prime is 224490241. The next prime is 224490317. The reversal of 224490289 is 982094422.

The square root of 224490289 is 14983.

It is a perfect power (a square), and thus also a powerful number.

224490289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 224490289 - 2¹¹ = 224488241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224490089) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7492 + ... + 22474.

It is an arithmetic number, because the mean of its divisors is an integer number (74835091).

Almost surely, 2^224490289 is an apocalyptic number.

224490289 is the 14983-rd square number.

224490289 is the 7492-nd centered octagonal number.

It is an amenable number.

224490289 is a deficient number, since it is larger than the sum of its proper divisors (14984).

224490289 is an frugal number, since it uses more digits than its factorization.

224490289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29966 (or 14983 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The cubic root of 224490289 is about 607.7605685600.

Multiplying 224490289 by its product of nonzero digits (82944), we get a square (18620122530816 = 4315104²).

The spelling of 224490289 in words is "two hundred twenty-four million, four hundred ninety thousand, two hundred eighty-nine".