224881 has 2 divisors, whose sum is σ = 224882. Its totient is φ = 224880.

The previous prime is 224869. The next prime is 224891. The reversal of 224881 is 188422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167281 + 57600 = 409^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 224881 - 2¹⁵ = 192113 is a prime.

It is a super-2 number, since 2×224881² = 101142928322, which contains 22 as substring.

224881 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (224831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112440 + 112441.

It is an arithmetic number, because the mean of its divisors is an integer number (112441).

2²²⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

224881 is a deficient number, since it is larger than the sum of its proper divisors (1).

224881 is an equidigital number, since it uses as much as digits as its factorization.

224881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 25.

The square root of 224881 is about 474.2161954215. The cubic root of 224881 is about 60.8112953680.

The spelling of 224881 in words is "two hundred twenty-four thousand, eight hundred eighty-one".