227925161 has 2 divisors, whose sum is σ = 227925162. Its totient is φ = 227925160.

The previous prime is 227925077. The next prime is 227925169. The reversal of 227925161 is 161529722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176358400 + 51566761 = 13280^2 + 7181^2 .

It is a cyclic number.

It is not a de Polignac number, because 227925161 - 2¹⁸ = 227663017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227925169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113962580 + 113962581.

It is an arithmetic number, because the mean of its divisors is an integer number (113962581).

Almost surely, 2^227925161 is an apocalyptic number.

It is an amenable number.

227925161 is a deficient number, since it is larger than the sum of its proper divisors (1).

227925161 is an equidigital number, since it uses as much as digits as its factorization.

227925161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 227925161 is about 15097.1905002222. The cubic root of 227925161 is about 610.8446250033.

The spelling of 227925161 in words is "two hundred twenty-seven million, nine hundred twenty-five thousand, one hundred sixty-one".