224383891 has 2 divisors, whose sum is σ = 224383892. Its totient is φ = 224383890.

The previous prime is 224383889. The next prime is 224383897. The reversal of 224383891 is 198383422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224383891 - 2¹ = 224383889 is a prime.

Together with 224383889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (224383897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112191945 + 112191946.

It is an arithmetic number, because the mean of its divisors is an integer number (112191946).

Almost surely, 2^224383891 is an apocalyptic number.

224383891 is a deficient number, since it is larger than the sum of its proper divisors (1).

224383891 is an equidigital number, since it uses as much as digits as its factorization.

224383891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 224383891 is about 14979.4489551519. The cubic root of 224383891 is about 607.6645365996.

The spelling of 224383891 in words is "two hundred twenty-four million, three hundred eighty-three thousand, eight hundred ninety-one".