224031407 has 2 divisors, whose sum is σ = 224031408. Its totient is φ = 224031406.

The previous prime is 224031397. The next prime is 224031449. The reversal of 224031407 is 704130422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224031407 - 2⁶ = 224031343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224031497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112015703 + 112015704.

It is an arithmetic number, because the mean of its divisors is an integer number (112015704).

Almost surely, 2^224031407 is an apocalyptic number.

224031407 is a deficient number, since it is larger than the sum of its proper divisors (1).

224031407 is an equidigital number, since it uses as much as digits as its factorization.

224031407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 224031407 is about 14967.6787445482. The cubic root of 224031407 is about 607.3461770218.

Adding to 224031407 its reverse (704130422), we get a palindrome (928161829).

The spelling of 224031407 in words is "two hundred twenty-four million, thirty-one thousand, four hundred seven".