227001743809 has 9 divisors (see below), whose sum is σ = 228810721251. Its totient is φ = 225206967960.

The previous prime is 227001743791. The next prime is 227001743849. The reversal of 227001743809 is 908347100722.

The square root of 227001743809 is 476447.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6075423025 + 220926320784 = 77945^2 + 470028^2 .

It is not a de Polignac number, because 227001743809 - 2¹⁷ = 227001612737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227001743849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62412739 + ... + 62416375.

Almost surely, 2^227001743809 is an apocalyptic number.

227001743809 is the 476447-th square number.

227001743809 is the 238224-th centered octagonal number.

It is an amenable number.

227001743809 is a deficient number, since it is larger than the sum of its proper divisors (1808977442).

227001743809 is an frugal number, since it uses more digits than its factorization.

227001743809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 227001743809 in words is "two hundred twenty-seven billion, one million, seven hundred forty-three thousand, eight hundred nine".