228060557 has 2 divisors, whose sum is σ = 228060558. Its totient is φ = 228060556.

The previous prime is 228060551. The next prime is 228060577. The reversal of 228060557 is 755060822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191711716 + 36348841 = 13846^2 + 6029^2 .

It is a cyclic number.

It is not a de Polignac number, because 228060557 - 2⁶ = 228060493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228060551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114030278 + 114030279.

It is an arithmetic number, because the mean of its divisors is an integer number (114030279).

Almost surely, 2^228060557 is an apocalyptic number.

It is an amenable number.

228060557 is a deficient number, since it is larger than the sum of its proper divisors (1).

228060557 is an equidigital number, since it uses as much as digits as its factorization.

228060557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 228060557 is about 15101.6739800593. The cubic root of 228060557 is about 610.9655558491.

The spelling of 228060557 in words is "two hundred twenty-eight million, sixty thousand, five hundred fifty-seven".