224811 has 6 divisors (see below), whose sum is σ = 324740. Its totient is φ = 149868.

The previous prime is 224797. The next prime is 224813. The reversal of 224811 is 118422.

It is not a de Polignac number, because 224811 - 2⁷ = 224683 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (224813) 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 in 5 ways as a sum of consecutive naturals, for example, 12481 + ... + 12498.

2²²⁴⁸¹¹ is an apocalyptic number.

224811 is a deficient number, since it is larger than the sum of its proper divisors (99929).

224811 is a wasteful number, since it uses less digits than its factorization.

224811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985 (or 24982 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 224811 is about 474.1423836782. The cubic root of 224811 is about 60.8049850195.

It can be divided in two parts, 224 and 811, that added together give a triangular number (1035 = T₄₅).

The spelling of 224811 in words is "two hundred twenty-four thousand, eight hundred eleven".