228753361 has 2 divisors, whose sum is σ = 228753362. Its totient is φ = 228753360.

The previous prime is 228753347. The next prime is 228753397. The reversal of 228753361 is 163357822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225930961 + 2822400 = 15031^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 228753361 - 2¹⁹ = 228229073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228753361.

It is not a weakly prime, because it can be changed into another prime (228753341) 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, 114376680 + 114376681.

It is an arithmetic number, because the mean of its divisors is an integer number (114376681).

Almost surely, 2^228753361 is an apocalyptic number.

It is an amenable number.

228753361 is a deficient number, since it is larger than the sum of its proper divisors (1).

228753361 is an equidigital number, since it uses as much as digits as its factorization.

228753361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 228753361 is about 15124.5945730786. The cubic root of 228753361 is about 611.5835956286.

The spelling of 228753361 in words is "two hundred twenty-eight million, seven hundred fifty-three thousand, three hundred sixty-one".