224001311 has 2 divisors, whose sum is σ = 224001312. Its totient is φ = 224001310.

The previous prime is 224001289. The next prime is 224001329. The reversal of 224001311 is 113100422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224001311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224001331) 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, 112000655 + 112000656.

It is an arithmetic number, because the mean of its divisors is an integer number (112000656).

Almost surely, 2^224001311 is an apocalyptic number.

224001311 is a deficient number, since it is larger than the sum of its proper divisors (1).

224001311 is an equidigital number, since it uses as much as digits as its factorization.

224001311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 224001311 is about 14966.6733444677. The cubic root of 224001311 is about 607.3189791848.

Adding to 224001311 its reverse (113100422), we get a palindrome (337101733).

The spelling of 224001311 in words is "two hundred twenty-four million, one thousand, three hundred eleven".