224123609 has 2 divisors, whose sum is σ = 224123610. Its totient is φ = 224123608.

The previous prime is 224123587. The next prime is 224123657. The reversal of 224123609 is 906321422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128142400 + 95981209 = 11320^2 + 9797^2 .

It is a cyclic number.

It is not a de Polignac number, because 224123609 - 2²⁴ = 207346393 is a prime.

It is a super-2 number, since 2×224123609² = 100462784222369762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224123659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112061804 + 112061805.

It is an arithmetic number, because the mean of its divisors is an integer number (112061805).

Almost surely, 2^224123609 is an apocalyptic number.

It is an amenable number.

224123609 is a deficient number, since it is larger than the sum of its proper divisors (1).

224123609 is an equidigital number, since it uses as much as digits as its factorization.

224123609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 224123609 is about 14970.7584644199. The cubic root of 224123609 is about 607.4294850611.

The spelling of 224123609 in words is "two hundred twenty-four million, one hundred twenty-three thousand, six hundred nine".