224928461 has 2 divisors, whose sum is σ = 224928462. Its totient is φ = 224928460.

The previous prime is 224928409. The next prime is 224928469. The reversal of 224928461 is 164829422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215355625 + 9572836 = 14675^2 + 3094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224928461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224928469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112464230 + 112464231.

It is an arithmetic number, because the mean of its divisors is an integer number (112464231).

Almost surely, 2^224928461 is an apocalyptic number.

It is an amenable number.

224928461 is a deficient number, since it is larger than the sum of its proper divisors (1).

224928461 is an equidigital number, since it uses as much as digits as its factorization.

224928461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 224928461 is about 14997.6151770873. The cubic root of 224928461 is about 608.1557312949.

The spelling of 224928461 in words is "two hundred twenty-four million, nine hundred twenty-eight thousand, four hundred sixty-one".