227085731 has 2 divisors, whose sum is σ = 227085732. Its totient is φ = 227085730.

The previous prime is 227085671. The next prime is 227085773. The reversal of 227085731 is 137580722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227085731 - 2⁶ = 227085667 is a prime.

It is a super-2 number, since 2×227085731² = 103135858447608722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 227085691 and 227085700.

It is not a weakly prime, because it can be changed into another prime (227015731) 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, 113542865 + 113542866.

It is an arithmetic number, because the mean of its divisors is an integer number (113542866).

Almost surely, 2^227085731 is an apocalyptic number.

227085731 is a deficient number, since it is larger than the sum of its proper divisors (1).

227085731 is an equidigital number, since it uses as much as digits as its factorization.

227085731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 227085731 is about 15069.3639879061. The cubic root of 227085731 is about 610.0938053357.

The spelling of 227085731 in words is "two hundred twenty-seven million, eighty-five thousand, seven hundred thirty-one".