227750009 has 4 divisors (see below), whose sum is σ = 229200804. Its totient is φ = 226299216.

The previous prime is 227749997. The next prime is 227750053. The reversal of 227750009 is 900057722.

227750009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900057722 = 2 ⋅450028861.

It can be written as a sum of positive squares in 2 ways, for example, as 127690000 + 100060009 = 11300^2 + 10003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227750009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227750909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725162 + ... + 725475.

It is an arithmetic number, because the mean of its divisors is an integer number (57300201).

Almost surely, 2^227750009 is an apocalyptic number.

It is an amenable number.

227750009 is a deficient number, since it is larger than the sum of its proper divisors (1450795).

227750009 is a wasteful number, since it uses less digits than its factorization.

227750009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450794.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 227750009 is about 15091.3885709699. The cubic root of 227750009 is about 610.6881144553.

The spelling of 227750009 in words is "two hundred twenty-seven million, seven hundred fifty thousand, nine".