228136603 has 2 divisors, whose sum is σ = 228136604. Its totient is φ = 228136602.

The previous prime is 228136537. The next prime is 228136619. The reversal of 228136603 is 306631822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228136603 is a prime.

It is not a weakly prime, because it can be changed into another prime (228136693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114068301 + 114068302.

It is an arithmetic number, because the mean of its divisors is an integer number (114068302).

Almost surely, 2^228136603 is an apocalyptic number.

228136603 is a deficient number, since it is larger than the sum of its proper divisors (1).

228136603 is an equidigital number, since it uses as much as digits as its factorization.

228136603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 228136603 is about 15104.1915705542. The cubic root of 228136603 is about 611.0334564162.

The spelling of 228136603 in words is "two hundred twenty-eight million, one hundred thirty-six thousand, six hundred three".