224227693 has 2 divisors, whose sum is σ = 224227694. Its totient is φ = 224227692.

The previous prime is 224227669. The next prime is 224227709. The reversal of 224227693 is 396722422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217326564 + 6901129 = 14742^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 224227693 - 2⁹ = 224227181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224221693) 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, 112113846 + 112113847.

It is an arithmetic number, because the mean of its divisors is an integer number (112113847).

Almost surely, 2^224227693 is an apocalyptic number.

It is an amenable number.

224227693 is a deficient number, since it is larger than the sum of its proper divisors (1).

224227693 is an equidigital number, since it uses as much as digits as its factorization.

224227693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 224227693 is about 14974.2343042975. The cubic root of 224227693 is about 607.5235014928.

The spelling of 224227693 in words is "two hundred twenty-four million, two hundred twenty-seven thousand, six hundred ninety-three".