224457913 has 2 divisors, whose sum is σ = 224457914. Its totient is φ = 224457912.

The previous prime is 224457907. The next prime is 224457931. The reversal of 224457913 is 319754422.

Together with next prime (224457931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207590464 + 16867449 = 14408^2 + 4107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224457913 is a prime.

It is not a weakly prime, because it can be changed into another prime (224452913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112228956 + 112228957.

It is an arithmetic number, because the mean of its divisors is an integer number (112228957).

Almost surely, 2^224457913 is an apocalyptic number.

It is an amenable number.

224457913 is a deficient number, since it is larger than the sum of its proper divisors (1).

224457913 is an equidigital number, since it uses as much as digits as its factorization.

224457913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 224457913 is about 14981.9195365614. The cubic root of 224457913 is about 607.7313500695.

The spelling of 224457913 in words is "two hundred twenty-four million, four hundred fifty-seven thousand, nine hundred thirteen".