228209053 has 2 divisors, whose sum is σ = 228209054. Its totient is φ = 228209052.

The previous prime is 228209039. The next prime is 228209063. The reversal of 228209053 is 350902822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216737284 + 11471769 = 14722^2 + 3387^2 .

It is a cyclic number.

It is not a de Polignac number, because 228209053 - 2²¹ = 226111901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228209063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114104526 + 114104527.

It is an arithmetic number, because the mean of its divisors is an integer number (114104527).

Almost surely, 2^228209053 is an apocalyptic number.

It is an amenable number.

228209053 is a deficient number, since it is larger than the sum of its proper divisors (1).

228209053 is an equidigital number, since it uses as much as digits as its factorization.

228209053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 228209053 is about 15106.5897210456. The cubic root of 228209053 is about 611.0981321235.

The spelling of 228209053 in words is "two hundred twenty-eight million, two hundred nine thousand, fifty-three".