224894893 has 2 divisors, whose sum is σ = 224894894. Its totient is φ = 224894892.

The previous prime is 224894869. The next prime is 224894903. The reversal of 224894893 is 398498422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176411524 + 48483369 = 13282^2 + 6963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224894893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224894833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112447446 + 112447447.

It is an arithmetic number, because the mean of its divisors is an integer number (112447447).

Almost surely, 2^224894893 is an apocalyptic number.

It is an amenable number.

224894893 is a deficient number, since it is larger than the sum of its proper divisors (1).

224894893 is an equidigital number, since it uses as much as digits as its factorization.

224894893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 49.

The square root of 224894893 is about 14996.4960240718. The cubic root of 224894893 is about 608.1254763609.

The spelling of 224894893 in words is "two hundred twenty-four million, eight hundred ninety-four thousand, eight hundred ninety-three".