224197843 has 2 divisors, whose sum is σ = 224197844. Its totient is φ = 224197842.

The previous prime is 224197807. The next prime is 224197847. The reversal of 224197843 is 348791422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224197843 - 2⁹ = 224197331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224197796 and 224197805.

It is not a weakly prime, because it can be changed into another prime (224197847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112098921 + 112098922.

It is an arithmetic number, because the mean of its divisors is an integer number (112098922).

Almost surely, 2^224197843 is an apocalyptic number.

224197843 is a deficient number, since it is larger than the sum of its proper divisors (1).

224197843 is an equidigital number, since it uses as much as digits as its factorization.

224197843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 224197843 is about 14973.2375590585. The cubic root of 224197843 is about 607.4965417225.

The spelling of 224197843 in words is "two hundred twenty-four million, one hundred ninety-seven thousand, eight hundred forty-three".