228419057 has 2 divisors, whose sum is σ = 228419058. Its totient is φ = 228419056.

The previous prime is 228419041. The next prime is 228419063. The reversal of 228419057 is 750914822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173080336 + 55338721 = 13156^2 + 7439^2 .

It is a cyclic number.

It is not a de Polignac number, because 228419057 - 2⁴ = 228419041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228419057.

It is not a weakly prime, because it can be changed into another prime (228419017) 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, 114209528 + 114209529.

It is an arithmetic number, because the mean of its divisors is an integer number (114209529).

Almost surely, 2^228419057 is an apocalyptic number.

It is an amenable number.

228419057 is a deficient number, since it is larger than the sum of its proper divisors (1).

228419057 is an equidigital number, since it uses as much as digits as its factorization.

228419057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 228419057 is about 15113.5388642105. The cubic root of 228419057 is about 611.2855242031.

The spelling of 228419057 in words is "two hundred twenty-eight million, four hundred nineteen thousand, fifty-seven".