224233609 has 2 divisors, whose sum is σ = 224233610. Its totient is φ = 224233608.

The previous prime is 224233591. The next prime is 224233651. The reversal of 224233609 is 906332422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154878025 + 69355584 = 12445^2 + 8328^2 .

It is a cyclic number.

It is not a de Polignac number, because 224233609 - 2⁵ = 224233577 is a prime.

It is a super-2 number, since 2×224233609² = 100561422810329762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224233309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112116804 + 112116805.

It is an arithmetic number, because the mean of its divisors is an integer number (112116805).

Almost surely, 2^224233609 is an apocalyptic number.

It is an amenable number.

224233609 is a deficient number, since it is larger than the sum of its proper divisors (1).

224233609 is an equidigital number, since it uses as much as digits as its factorization.

224233609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 224233609 is about 14974.4318423104. The cubic root of 224233609 is about 607.5288443913.

The spelling of 224233609 in words is "two hundred twenty-four million, two hundred thirty-three thousand, six hundred nine".