227975497 has 2 divisors, whose sum is σ = 227975498. Its totient is φ = 227975496.

The previous prime is 227975477. The next prime is 227975507. The reversal of 227975497 is 794579722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212459776 + 15515721 = 14576^2 + 3939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227975497 is a prime.

It is not a weakly prime, because it can be changed into another prime (227975417) 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, 113987748 + 113987749.

It is an arithmetic number, because the mean of its divisors is an integer number (113987749).

Almost surely, 2^227975497 is an apocalyptic number.

It is an amenable number.

227975497 is a deficient number, since it is larger than the sum of its proper divisors (1).

227975497 is an equidigital number, since it uses as much as digits as its factorization.

227975497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 52.

The square root of 227975497 is about 15098.8574733322. The cubic root of 227975497 is about 610.8895889025.

The spelling of 227975497 in words is "two hundred twenty-seven million, nine hundred seventy-five thousand, four hundred ninety-seven".