227979457201 has 2 divisors, whose sum is σ = 227979457202. Its totient is φ = 227979457200.

The previous prime is 227979457159. The next prime is 227979457207. The reversal of 227979457201 is 102754979722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191536647201 + 36442810000 = 437649^2 + 190900^2 .

It is a cyclic number.

It is not a de Polignac number, because 227979457201 - 2⁹ = 227979456689 is a prime.

It is not a weakly prime, because it can be changed into another prime (227979457207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113989728600 + 113989728601.

It is an arithmetic number, because the mean of its divisors is an integer number (113989728601).

Almost surely, 2^227979457201 is an apocalyptic number.

It is an amenable number.

227979457201 is a deficient number, since it is larger than the sum of its proper divisors (1).

227979457201 is an equidigital number, since it uses as much as digits as its factorization.

227979457201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 227979457201 in words is "two hundred twenty-seven billion, nine hundred seventy-nine million, four hundred fifty-seven thousand, two hundred one".