223481 has 2 divisors, whose sum is σ = 223482. Its totient is φ = 223480.

The previous prime is 223469. The next prime is 223493. The reversal of 223481 is 184322.

It is a balanced prime because it is at equal distance from previous prime (223469) and next prime (223493).

It can be written as a sum of positive squares in only one way, i.e., 211600 + 11881 = 460^2 + 109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223481 is a prime.

It is a super-2 number, since 2×223481² = 99887514722, which contains 22 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 223481.

It is not a weakly prime, because it can be changed into another prime (223441) 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, 111740 + 111741.

It is an arithmetic number, because the mean of its divisors is an integer number (111741).

2²²³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

223481 is a deficient number, since it is larger than the sum of its proper divisors (1).

223481 is an equidigital number, since it uses as much as digits as its factorization.

223481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 223481 is about 472.7377708625. The cubic root of 223481 is about 60.6848387108.

The spelling of 223481 in words is "two hundred twenty-three thousand, four hundred eighty-one".