224680397 has 2 divisors, whose sum is σ = 224680398. Its totient is φ = 224680396.

The previous prime is 224680321. The next prime is 224680403. The reversal of 224680397 is 793086422.

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., 222427396 + 2253001 = 14914^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 224680397 - 2¹⁰ = 224679373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224680597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112340198 + 112340199.

It is an arithmetic number, because the mean of its divisors is an integer number (112340199).

Almost surely, 2^224680397 is an apocalyptic number.

It is an amenable number.

224680397 is a deficient number, since it is larger than the sum of its proper divisors (1).

224680397 is an equidigital number, since it uses as much as digits as its factorization.

224680397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 224680397 is about 14989.3427807893. The cubic root of 224680397 is about 607.9320793890.

The spelling of 224680397 in words is "two hundred twenty-four million, six hundred eighty thousand, three hundred ninety-seven".